List of naturalized American citizens

Citizenship of the United States of America can be acquired in different ways, one of those being naturalization.

Authors

 * Jackie Collins – Born in the United Kingdom. Became a U.S. citizen in 1960.
 * Thomas B. Costain – Born in Canada. Became an American citizen in 1920.
 * Immaculée Ilibagiza – Born and raised in Rwanda. Became a U.S. citizen in 2013.
 * Klaus Mann – Born in Germany. Became a U.S. citizen in 1943.
 * David Morrell – Born and raised in Canada. Became a U.S. citizen in 1993.
 * Gerda Weissmann Klein – Born and raised in Poland. Became a U.S. citizen in 1948.

Architect

 * Esra Akcan
 * César Pelli – Born and raised in Argentina. Became a U.S. citizen in 1964
 * I. M. Pei
 * Friedrich St. Florian

Journalists

 * Masih Alinejad – Born and raised in Iran. Became a U.S. citizen in 2019.
 * Cecilia Alvear – Born in Ecuador. Became a U.S. citizen in 1984.
 * Piotr Domaradzki – Born and raised in Poland. Became a U.S. citizen in 1996.
 * Veronique Peck – Born in France. Became a U.S. citizen in 1976.
 * Cornelius Ryan - Born and raised in Ireland. Became a U.S. citizen in 1951.
 * Hari Sreenivasan – Born in India. Became a U.S. citizen in 2008.

Painters

 * José Bernal – Born in Cuba. Became an American citizen in 1980.
 * Janice Biala – Born in Poland. Became an American citizen in 1929.
 * Dorothy Brett – Born in the United Kingdom. Became a U.S. citizen in 1938
 * Rudolf Cronau – Born in Germany. Became a U.S. citizen in 1901.
 * Marcel Duchamp – Born and raised in France. Became a U.S. citizen in 1955.
 * Pál Fried – Born and raised in Hungary. Emigrated to the U.S. in 1946 becoming a citizen in 1953.
 * Charles Hoffbauer – Born and raised in France. Became a U.S. citizen in 1941.
 * Tania Marmolejo
 * Mark Rothko – Born and raised in Russia. Became a U.S. citizen in 1938.

Sculptors

 * Louise Bourgeois – Born and raised in France. Became a U.S. citizen in 1951.
 * Luigi Del Bianco
 * Enrico Cerracchio – Born in Italy, emigrated to the U.S. in 1900 becoming a citizen in 1905.
 * Anthony de Francisci – Born and raised in Italy. Became a U.S. citizen in 1913.
 * Arturo Di Modica

Writers

 * Isabel Allende - Born in Chile. Became an American citizen in 1993.
 * Svetlana Alliluyeva - Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 1978.
 * Flavio Alves – Born and raised in Brazil. Became a U.S. citizen in 2010.
 * Isaac Asimov – Born in Russia, moved to the U.S. at the age of 3 becoming a citizen at the age of 8 in 1928.
 * Anna Astvatsaturian Turcotte – Born in Azerbaijan and raised between there, Armenia and the United States. Became a U.S. citizen in 1997.
 * W. H. Auden – Born and raised in the United Kingdom. Became a U.S. citizen in 1946.
 * Isaac Bashevis Singer
 * Vicki Baum – Born and raised in Austria. Became a U.S. citizen in 1938.
 * Saul Bellow – Born and raised in Canada. Became a U.S. citizen in 1941.
 * Helena Blavatsky – Born and raised in Russia (modern day Ukraine). Became a U.S. citizen in 1878
 * Joseph Brodsky - Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 1977.
 * Carlos Castaneda – Born in Peru. Became a U.S. citizen in 1957.
 * James Clavell – Born and raised in Australia. Became a U.S. citizen in 1963.
 * Bernard Cornwell
 * Ève Curie – Born and raised in France before becoming an American citizen in 1958
 * Junot Díaz
 * Anu Garg – Born in India. Became a U.S. citizen in 2008.
 * Olga Grushin - Born and raised in Russia. Became an American citizen in 2002.
 * Claude McKay – Born in Jamaica. Became a U.S. citizen in 1940.
 * Walter Mehring
 * Vladimir Nabokov – Born and raised in Russia. Became a U.S. citizen in 1945.
 * Otto Plath
 * Ayn Rand – Born and raised in Russia. Became a U.S. citizen in 1931.
 * David Rakoff - Born in Canada. Became a U.S. citizen in 2003.
 * Erich Maria Remarque – Born and raised in Germany. Immigrated to the U.S. in 1939 and became a citizen in 1947.
 * Elie Wiesel
 * Frances Wright - Born in Scotland. Became a U.S. citizen in 1825.

Education

 * Benjamin Akande
 * Dieter Cunz - Born and raised in the German Empire (modern day Germany). Became a U.S. citizen in 1944.
 * Lorraine Eden
 * Jaime Escalante

Entrepreneur

 * Steve Chen
 * Jawed Karim
 * Iqbal Quadir – Born and raised in Bangladesh. Became a U.S. citizen later in life.

Fashion designer

 * Oleg Cassini
 * Tan France – Born and raised in the United Kingdom. Became an American citizen in 2020.
 * Diane von Fürstenberg
 * Carolina Herrera – Born in Venezuela. Became an American citizen in 2009.
 * Oscar de la Renta
 * Ferdinando Sarmi - Born in Italy. Became a U.S. citizen in 1959.

Models

 * Heidi Albertsen – Born and raised in Denmark. Became a U.S. citizen in 2016.
 * Camila Alves – Born in Brazil. Became a U.S. citizen in 2015.
 * Alessandra Ambrosio - Born and raised in Brazil. She became a U.S. Citizen in 2020.


 * Moran Atias – Born and raised in Israel. Became a U.S. citizen in 2017.
 * Xenia Deli
 * Heidi Klum – Born and raised in Germany. Became a U.S. citizen in 2008.
 * Karolína Kurková – Born and raised in Czechoslovakia (modern day Czech Republic). Later became a naturalized U.S. citizen.
 * China Machado
 * Paulina Porizkova
 * Claudia Romani - Born and raised in Italy. Became a U.S. citizen in 2019.
 * Anne Vyalitsyna – Born and raised in Russia. Became a U.S. citizen in 2013.

Inventors

 * Itzhak Bentov – Born and raised in Czechoslovakia (modern day Slovakia). Became a U.S. citizen in 1962.
 * George Garrett – Born and raised in the United Kingdom. Became a U.S. citizen in 1902.
 * Alexander Graham Bell - Born in Scotland. Became a U.S. Citizen in 1882.
 * Leo Gerstenzang - Born in Poland. Became a U.S. citizen in 1919.
 * James Hillier – Born in Canada. Became a U.S. citizen in 1945.
 * Francis F. Lee – Born and raised in China. Became an American citizen in 1954.
 * Fritz Karl Preikschat – Born and raised in Germany. Became a U.S. citizen in 1962.
 * Nikola Tesla – Born in the Austrian Empire (modern day Croatia) to a family from Serbia. Became a U.S. citizen in 1891.
 * Arthur Wynne

Media tycoons

 * Rupert Murdoch

Real estate

 * Mark Taper
 * Frederick Trump - Born in the Kingdom of Bavaria (Modern day Germany). Became a U.S. citizen in 1892.

Crime figures

 * Ralph Capone
 * Frank Costello – Born in Italy. Became a U.S. citizen in 1925.
 * Tommy Lucchese
 * Patrick Nee
 * William Obront
 * Santo Sorge
 * William Tocco

Actors

 * Michael Allinson – Born and raised in the United Kingdom. Became a U.S. citizen in 1964 after immigrating there in 1958.
 * Robbie Amell – Born and raised in Canada. Became a U.S. citizen in 2020.
 * Desi Arnaz
 * Dan Aykroyd
 * Conrad Bain – Born and raised in Canada. Became an American citizen in 1946.
 * Christian Bale
 * Jamie Bamber
 * John Barrowman
 * Brian Bedford
 * Demián Bichir
 * Diego Boneta
 * Stephen Boyd – Born and raised in the United Kingdom specifically Northern Ireland. Became a U.S. citizen in 1963.
 * Charles Boyer – Born and raised in France. Became a U.S. citizen in 1942.
 * Pierce Brosnan - Born and raised in Ireland. Became a U.S. citizen in 2004.
 * Yul Brynner - Born in Far Eastern Republic (modern day Russia). Became a U.S. citizen in 1943.
 * Jim Carrey – Born and raised in Canada. Became a U.S. citizen in 2004.
 * Maxwell Caulfield – Born and raised in the United Kingdom. Became an American citizen in 1991.
 * Tommy Chong – Born and raised in Canada. Became a U.S. citizen in the 1980s.
 * Andy Clyde – Born and raised in the United Kingdom. Became an American citizen in 1943.
 * Alec Craig – Born and raised in the United Kingdom. Became a U.S. citizen in 1939.
 * Daniel Craig - Born and raised in the United Kingdom. Became an American citizen in 2019.
 * Hume Cronyn
 * Alan Cumming – Born and raised in the United Kingdom specifically Scotland. Became an American citizen in 2008.
 * Helmut Dantine – Born and Raised in Austria. Became a U.S. citizen in 1944.
 * Alexander D'Arcy - Born in Egypt. Became a U.S. citizen in 1942.
 * Wheeler Dryden – Born and raised in the United Kingdom. Became an American citizen in 1936.
 * Alejandro Edda
 * Maurice Evans
 * Nathan Fillion – Born and raised in Canada. Became a U.S. citizen in 1997.
 * James Finlayson – Born and raised in the United Kingdom. Became a U.S. citizen in 1942.
 * Errol Flynn – Born and raised in Australia. Became an American citizen in 1942.
 * Glenn Ford – Born and raised in Canada. Became a U.S. citizen in 1939.
 * Michael J. Fox
 * Andy García
 * George Gaynes – Born in the Russian Empire (modern day Finland). Became a U.S. citizen in 1948.
 * Daniel Goddard – Born and raised in Australia. Became a U.S. citizen in 2020.
 * Lev Gorn
 * Cary Grant – Born and raised in the United Kingdom. Became an American citizen in 1942.
 * Jason Gray-Stanford – Born and raised in Canada. Became an American citizen in 2019.
 * Mickey Hargitay
 * Anthony Hopkins – Born and raised in the United Kingdom. Became a U.S. citizen in 2000.
 * Aharon Ipalé
 * Makoto Iwamatsu - Born and raised in Japan. Became a U.S. citizen in 1956.
 * Jason Jones – Born and raised in Canada. Became an American citizen in 2014.
 * Werner Klemperer
 * Kurt Kreuger
 * Charles Laughton – Born and raised in the United Kingdom, becoming a U.S. citizen in 1950.
 * Peter Lawford – Born and raised in the United Kingdom. Became a U.S. citizen in 1960.
 * John Leguizamo
 * Gene Lockhart – Born in Canada. Became a U.S. citizen in 1939
 * Alexander Lockwood
 * John Loder
 * Daniel Logan - Born and raised in New Zealand. Became a U.S. citizen in 2007.
 * Peter Lorre – Born and raised in Hungary (modern day Slovakia). Became a U.S. citizen in 1941.
 * Bela Lugosi – Born and raised in Hungary. Became an American citizen in 1931.
 * Keye Luke - Born in China. Became a U.S. citizen in 1943.
 * Dolph Lundgren - Born and raised in Sweden. Became an American citizen in 2024.
 * Patrick Macnee
 * James Mason
 * Peter Mayhew – Born and raised in the United Kingdom. Became an American citizen in 2005.
 * David McCallum – Born and raised in the United Kingdom. Became a U.S. citizen in 1999.
 * Eric McCormack – Born and raised in Canada. Received U.S. citizenship in 1999.
 * Roddy McDowall – Born and raised in the United Kingdom. Got U.S. citizenship in 1949.
 * Kevin McKidd – Born and raised in the United Kingdom specifically Scotland. Got U.S. citizenship in 2015.
 * Julian McMahon
 * Peter McRobbie
 * Alfred Molina – Born and raised in the United Kingdom. Became a U.S. citizen in 2004.
 * Liam Neeson – Born and raised in the United Kingdom specifically Northern Ireland. Became a U.S. citizen in 2009.
 * Leslie Nielsen
 * Soon-Tek Oh
 * Jason O'Mara – Born and raised in Ireland. Earned American citizenship in 2009.
 * Dan O'Herlihy – Born and raised in Ireland. Became a U.S. citizen in 1983.
 * David Oyelowo - Born and raised in the United Kingdom. Became a U.S. citizen in 2016.
 * Hal Ozsan
 * Nathan Parsons
 * Barry Pepper
 * Walter Pidgeon – Born and raised in Canada. Became a U.S. citizen in 1943.
 * Jürgen Prochnow – Born and raised in Germany. Became an American citizen in 2004.
 * Ke Huy Quan
 * Anthony Quinn – Born in Mexico to Irish immigrants. Became a U.S. citizen in 1947.
 * Claude Rains – Born and raised in the United Kingdom. Became a U.S. citizen in 1939.
 * Roger Rees – Born and raised in the United Kingdom specifically Wales. Became an American citizen in 1989.
 * Duncan Renaldo
 * Michael Rennie
 * Alejandro Rey
 * Ryan Reynolds – Born and raised in Canada. Became a U.S. citizen in 2018.
 * Paul Rodriguez
 * Tristan Rogers
 * José Ruben - Born and raised in France. Became a U.S. citizen in 1920.
 * Sabu
 * Horatio Sanz – Born in Chile. Became an American citizen in 2018.
 * Martin Short
 * Arnold Schwarzenegger
 * Sebastian Stan – Born in Romania. Became a U.S. citizen in 2002.
 * James Stephenson
 * Lee Strasberg
 * Gregg Sulkin – Born in the United Kingdom. Became a U.S. citizen in 2018.
 * Francis L. Sullivan
 * Carlos Valdes
 * Steve Valentine
 * Goran Višnjić
 * Arnold Vosloo – Born and raised in South Africa becoming a naturalized U.S. Citizen in 1988.

Actresses

 * Christine Adams – Born and raised in England before becoming a naturalized U.S. citizen in 2019.
 * Neile Adams
 * Anna Maria Alberghetti – Born in Italy. Became a U.S. citizen in 1961.
 * Malin Akerman – Born in Sweden, raised in Canada becoming a naturalized U.S. Citizen in 2018.
 * Ana Alicia
 * Pamela Anderson – Born and raised in Canada became a naturalized U.S. citizen in 2004.
 * Fernanda Andrade
 * Evelyn Ankers – Became a naturalized U.S. citizen in 1946 after growing up between South America and Europe.
 * Gabrielle Anwar – Became a naturalized U.S. citizen in 2008.
 * Jayne Atkinson
 * Morena Baccarin
 * Olga Baclanova – Born and raised in Russia. Became a U.S. citizen in 1931.
 * Yetide Badaki – Born in Nigeria. Became a U.S. citizen in 2014.
 * Jacinda Barrett – Born in Australia. Became an American citizen in 2009.
 * Wendy Barrie – Became a naturalized U.S. citizen in 1942.
 * Mischa Barton
 * Frances Bay
 * Stephanie Beatriz – Born in Argentina. Moved to the U.S. at the age of 2 becoming a naturalized Citizen at the age of 18.
 * Catherine Bell
 * Alma Beltran
 * Ingrid Bergman – Born in Sweden. Became a U.S. citizen in 1945.
 * Emily Blunt – Born and raised in the United Kingdom before becoming a naturalized U.S. citizen in 2015.
 * Sônia Braga – Born in Brazil. Became a U.S. citizen in 2003.
 * Antoinette Bower
 * Lesley-Ann Brandt - Born and raised in South Africa. Became a U.S citizen in 2023.
 * Natalie Burn – Born and raised in Ukraine. Became a U.S. citizen in 2018.
 * Saffron Burrows – Born and raised in the United Kingdom. Became a U.S. citizen in 2009.
 * Annette Carell – Born in Germany. Became a U.S. citizen in 1944.
 * Madeleine Carroll – Born and raised in the United Kingdom. Became a U.S. citizen in 1943.
 * Kim Cattrall
 * Loan Chabanol – Born in France. Became a U.S. citizen in 2020.
 * Charo – Born in Spain. Became a U.S. citizen in 1977.
 * Joan Chen – Born in China. Became a U.S. citizen in 1989.
 * Emmanuelle Chriqui – Born in Canada. Became a U.S. citizen in 2017.
 * Mady Christians
 * Claudette Colbert
 * Lili Darvas – Born and raised in Hungary becoming a naturalized U.S. citizen in 1944.
 * Ludmila Dayer
 * Olivia de Havilland
 * Emilie de Ravin
 * Portia de Rossi – Born and raised in Australia becoming a naturalized U.S. citizen in 2011.
 * Yvonne De Carlo
 * Kate del Castillo
 * Marlene Dietrich – Born and raised in Germany becoming a naturalized U.S. citizen in 1939 while renouncing her German citizenship.
 * Diana Douglas
 * Deanna Durbin – Born in Canada. Became a U.S. citizen in 1923.
 * Marie Dressler
 * Minnie Driver – Born in the United Kingdom raised in Barbados before becoming a U.S. citizen in 2017.
 * Samantha Eggar
 * Alice Eve - Born and raised in the United Kingdom specifically England. Became a U.S. citizen in 2017.
 * Geraldine Fitzgerald – Born and raised in Ireland becoming a naturalized U.S. citizen in 1955.
 * Nina Foch
 * Megan Follows
 * Joan Fontaine – Born in Japan to English parents raised in the United Kingdom. Became a naturalized U.S. citizen in 1943.
 * Eva Gabor
 * Zsa Zsa Gabor
 * Greta Garbo – Born and raised in Sweden. Became a naturalized U.S. citizen in 1951.
 * Greer Garson – Born and raised in the United Kingdom. Became a naturalized U.S. Citizen in 1951.
 * Judy Geeson
 * Melissa George - Born and raised in Australia. Became a U.S. citizen in 2008.
 * Jessalyn Gilsig
 * Shenae Grimes – Born and raised in Canada. Became a U.S. citizen in 2019.
 * Emily Hampshire – Born and raised in Canada. Became a U.S. citizen in 2014.
 * Joanna Hausmann
 * Salma Hayek
 * Tricia Helfer – Born in Canada. Became a U.S. citizen in 2011.
 * Zulay Henao
 * Sitara Hewitt
 * Claire Holt – Born and raised in Australia. Became a U.S. citizen in 2019.
 * Milla Jovovich
 * Caroline Lagerfelt
 * Stana Katic
 * Violet Kemble-Cooper
 * Diane Kruger – Born and raised in West Germany. Became a U.S. citizen in 2013.
 * Mila Kunis
 * Hedy Lamarr – Born and raised in Austria. Became a U.S. citizen in 1953.
 * Elsa Lanchester
 * Vicky Lane
 * Angela Lansbury - Born and raised in the United Kingdom. Became a U.S. Citizen in 1951.
 * Eva Le Gallienne – Born in the United Kingdom. Became a U.S. citizen in 1927.
 * Anna Lee
 * Ruta Lee
 * Rachelle Lefevre
 * Eugenie Leontovich – Born and raised in Russia. Became a U.S. citizen in 1929.
 * Margarita Levieva
 * Bai Ling – Born and raised in China. Became a U.S. citizen in 1999.
 * Kathleen Lockhart
 * Celia Lovsky
 * Camilla Luddington
 * Ida Lupino – Born and raised in the United Kingdom. Became a U.S. citizen in 1948.
 * Nola Luxford
 * Sheila MacRae – Born and raised in the United Kingdom. Became a U.S. citizen in 1959.
 * Mercedes Mason – Born in Sweden to parents from Iran. Became a U.S. citizen in 2016.
 * Pamela Mason
 * Ilona Massey – Born and raised in Hungary. Became a U.S. citizen in 1946.
 * Ivana Miličević
 * Marta Milans – Born in Spain. Became an American citizen in 2020.
 * Kristine Miller – Born in Argentina. Became a U.S. citizen in 1942.
 * Juliet Mills – Born and raised in the United Kingdom. Became a U.S. citizen in 1975.
 * Helen Mirren - Born and raised in England. Became a U.S. citizen in 2017.
 * Poppy Montgomery
 * Anya Monzikova
 * Carrie-Anne Moss
 * Alla Nazimova
 * Pola Negri – Born in Poland. Became a U.S. citizen in 1951.
 * Sylvia O'Brien
 * Una O'Connor – Born and raised in Ireland. Became a U.S. citizen in 1952.
 * Catherine O'Hara
 * Maureen O'Hara – Born and raised in Ireland. Became a U.S. citizen in 1946
 * Sandra Oh – Born in Canada. Became a U.S. citizen in 2018.
 * Maureen O'Sullivan – Born in Ireland. Became a U.S. citizen in 1947.
 * Ann-Margret Olsson – Born in Sweden. Became an American citizen in 1949.
 * Jessica Oyelowo – Born in the United Kingdom. Became a U.S. citizen in 2016.
 * Bar Paly – Born in Russia raised in Israel. Became a U.S. citizen in 2016.
 * Katina Paxinou - Born in Greece. Became a U.S. citizen in 1951.
 * Mary Pickford
 * Christina Pickles
 * Sasha Pieterse
 * Nathalia Ramos – Born in Spain. Became a U.S. citizen in 2016.
 * Italia Ricci – Born and raised in Canada. Became a U.S. citizen in 2020.
 * Natasha Richardson
 * Lyda Roberti
 * Olesya Rulin
 * Elena Satine
 * Caterina Scorsone
 * Izabella Scorupco – Born in Poland, raised in Sweden. Became a U.S. citizen in 2014.
 * Jane Seymour – Born and raised in the United Kingdom. Became an American citizen in 2005.
 * Norma Shearer
 * Jean Simmons – Born and raised in the United Kingdom. Became a U.S. citizen in 1956.
 * Marina Sirtis
 * Alexis Smith – Born in Canada. Became a U.S. citizen in 1939.
 * Cobie Smulders – Born in Canada. Became a U.S. citizen in 2020.
 * Anna Sten
 * Tammin Sursok – Born in South Africa,raised in Australia. Became a U.S. citizen in 2019.
 * Jessica Tandy – Born and raised in the United Kingdom. Became a U.S. citizen in 1952.
 * Holly Taylor
 * Charlize Theron – Born in South Africa. Became a U.S. citizen in 2007.
 * Tracey Ullman – Born in the United Kingdom. Became a U.S. citizen in 2006.
 * Angélica Vale – Born and raised in Mexico. Became a U.S. citizen in 2016.
 * Diana Van der Vlis
 * Nia Vardalos
 * Sofía Vergara – Born and raised in Colombia. Became a U.S. citizen in 2014.
 * Vanessa Villela – Born in Mexico. Became a U.S. citizen in 2017.
 * Sonya Walger – Born and raised in the United Kingdom. Became a U.S. citizen in 2013.
 * Rachel Weisz – Born in the United Kingdom. Became a U.S. citizen in 2011.
 * May Whitty
 * Fay Wray – Born and raised in Canada. Became a U.S. citizen in 1933.

Comedians

 * Samantha Bee - Born and raised in Canada. Became a U.S. citizen in 2014.
 * Michael Blackson – Born and raised in Liberia. Became a U.S. citizen in 2021.
 * Selma Diamond
 * Bob Hope
 * Tyler Labine
 * John Oliver – Born and raised in the United Kingdom. Became a U.S. citizen in 2019.
 * Yakov Smirnoff - Born in the Soviet Union (modern day Ukraine). Became a U.S. citizen in 1986.

Dancers

 * Mikhail Baryshnikov – Born and raised in Soviet Union (modern day Latvia). Became a U.S. citizen in 1986.
 * Artem Chigvintsev – Born in The Soviet Union (modern day Russia). Became a U.S. citizen in 2014.
 * Maksim Chmerkovskiy
 * Valentin Chmerkovskiy
 * Sasha Farber – Born in Russia, grew up in Australia. Became a U.S. citizen in 2020.
 * Gonzalo Garcia – Born in Spain. Became a U.S. citizen in 2017.
 * Alexander Godunov – Born in the Soviet Union (Modern day Russia). Became a U.S. citizen in 1987.
 * José Limón – Born in Mexico. Became a U.S. citizen in 1946.
 * Peta Murgatroyd – Born in New Zealand. Raised in Australia. Became a U.S. citizen in 2019.
 * Gleb Savchenko
 * Christine Shevchenko
 * Emma Slater – Born and raised in the United Kingdom. Became a U.S. citizen in 2020.
 * Karina Smirnoff – Born in The Soviet Union (modern day Ukraine). Became a U.S. citizen shortly after immigrating in 1993.
 * Tamara Toumanova – Born and raised in Russia. Became a U.S. citizen in 1943.
 * Louis Van Amstel – Born and raised in The Netherlands. Became a U.S. citizen in 1999.

Directors

 * Frank Capra – Born in Italy. Became a U.S. citizen in 1920.
 * Michael Curtiz – Born and raised in Austria-Hungary (modern day Hungary). Became an American citizen in 1933.
 * John Farrow – Born in Australia. Became a U.S. citizen in 1947.
 * Alejandro Gómez Monteverde
 * Alfred Hitchcock - Born and raised in England. Became a U.S. citizen in 1955.
 * Anatole Litvak
 * Otto Preminger
 * Gottfried Reinhardt
 * Alik Sakharov

Producers

 * Dino De Laurentiis – Born and raised in Italy. Became a U.S. citizen in 1986.
 * Bruce Lansbury – Born in the United Kingdom. Became a U.S. citizen in 1954.
 * Edgar Lansbury – Born in the United Kingdom. Became a U.S. citizen in 1954.
 * Lorne Michaels

WWE

 * Alberto Del Rio – Born in Mexico. Became a U.S. citizen in 2018.

Law enforcement

 * Joaquín "Jack" García
 * John Timoney

Social media

 * Hila Klein – Born in Israel. Became a U.S. citizen in 2019.

Television

 * Peter Arnett
 * Mariana Atencio – Born and raised in Venezuela. Became a U.S. citizen in 2020.
 * Jillian Barberie – Born and raised in Canada. Became an American citizen in 2011.
 * David Frum
 * Brad Goreski
 * Yolanda Hadid – Born and raised in The Netherlands. Became a U.S. citizen in 2013.
 * Peter Jennings
 * Alex Trebek – Born and raised in Canada. Became a U.S. citizen in 1998.
 * Laura Trevelyan
 * Richard Wolffe

Military

 * Ming Chang – Born in China. Became a U.S. citizen after joining the U.S. navy.
 * Louis Cukela
 * Florent Groberg – Born in France. Became a U.S. citizen in 2001.
 * Khalifa Haftar
 * Mian Ghulam Jilani – Born and raised in Pakistan. Became a U.S. citizen in 1981.
 * No Kum-sok – Born in modern-day North Korea. Immigrated to the U.S. in 1954 and later became a citizen.
 * Henry Landau – Born in South Africa. Became a U.S. citizen in 1933.
 * James I. Mestrovitch
 * Thomas R. Sargent III – Born in the United Kingdom. Became a U.S. citizen in 1930.
 * John Shalikashvili
 * Michael Strank - Born in Czechoslovakia (modern day Slovakia). Became a U.S. citizen in 1935.
 * Peter Tomich
 * Lauri Törni – Born and raised in Finland. Became a U.S. citizen in 1957.
 * Friedrich Wilhelm von Steuben – Born in Germany. Became a U.S. citizen following the American Revolutionary War.

Musicians

 * Lina Abarbanell
 * Josh Beech – Born in the United Kingdom. Became a U.S. citizen in 2019.
 * Bleona - Born and raised in Albania. Became an American citizen in 2011.
 * Igor Butman
 * David Byrne - Born and raised in Scotland. Became a U.S. citizen in 2012.
 * David Coverdale - Born and raised in England. Became an American citizen in 2007.
 * Celia Cruz
 * Sheena Easton - Born and raised in Scotland. Became a U.S. citizen in 1992.
 * Atilla Engin
 * Flea
 * Lita Ford
 * Selim Giray
 * Gregory Alan Isakov
 * Tomo Miličević - Born in Yugoslavia (modern day Bosnia and Herzegovina). Became a U.S. citizen in the 1990s.
 * French Montana – Born in Morocco. Became a U.S. citizen in 2018.
 * Joon Park
 * Neil Peart
 * Trevor Rabin – Born and raised in South Africa. Became a U.S. citizen in 1991.
 * Mehmet Ali Sanlıkol
 * Carlos Santana - Born in Mexico. Became a U.S. citizen in 1965.
 * Gene Simmons
 * Slash – Born in the United Kingdom. Became a U.S. citizen in 1996.
 * Yma Sumac – Born and raised in Peru. Became an American citizen in 1955.
 * Pinar Toprak
 * Alex Van Halen
 * Eddie Van Halen

Singers

 * Paul Anka – Born in Canada. Became a U.S. citizen in 1990.
 * Alex Boyé – Born and raised in the United Kingdom. Became a U.S. citizen in 2012.
 * Camila Cabello – Born in Cuba. Became an American citizen in 2008.
 * Gloria Estefan – Born in Cuba. Became a U.S. citizen in 1974
 * Billy Idol – Born and raised in the United Kingdom. Became a U.S. citizen in 2018.
 * John Lydon – Born in the United kingdom. Became a U.S. citizen in 2013.
 * Dave Matthews – Born and raised in South Africa. Became an American citizen in 1980.
 * Alanis Morissette – Born and raised in Canada. Became a U.S. citizen in 2005.
 * Tinka Milinović – Born and raised in Bosnia and Herzegovina. Became a U.S. citizen at the age of 18.
 * Carly Smithson – Born in Ireland. Became a U.S. citizen in 2017.
 * Yoo Seung-jun – Born and raised in South Korea. Became a U.S. citizen in 2002.
 * Keith Urban
 * Neil Young

Composers

 * Irving Berlin
 * Monte Carlo - Born and raised in Denmark. Became a U.S. citizen in 1914.
 * Sansan Chien
 * Percy Faith – Born and raised in Canada. Became a U.S. citizen in 1945.
 * Loris Ohannes Chobanian
 * Erich Wolfgang Korngold - Born in Austria-Hungary (modern day Czech Republic). Became a U.S. citizen in 1943.
 * Miklós Rózsa – Born in Austria-Hungary (modern day Hungary). Became an American citizen in 1946.
 * Kike Santander - Born and raised in Colombia. Became a U.S. citizen in 2004.
 * Lalo Schifrin – Born and raised in Argentina. Became a U.S. citizen in 1969.
 * Arnold Schoenberg
 * Karl Weigl - Born and raised in Austria. Became an American citizen in 1943.

Pianist

 * Fahir Atakoğlu
 * Victor Borge – Born and raised in Denmark. Became a U.S. citizen in 1948.
 * Vladimir Horowitz - Born and raised in the Russian Empire (modern day Ukraine). Became a U.S. citizen in 1944.
 * Mischa Levitzki
 * Rene Paulo
 * Arthur Rubinstein – Born in Poland. Became a U.S. citizen in 1946.
 * Nina Svetlanova
 * George Tremblay

Activists

 * Rushan Abbas
 * Carlos Arredondo – Born in Costa Rica. Became a U.S. citizen in 2006.
 * Greta Beer – Born in Romania. Became a U.S. citizen in 1956.
 * Ada Bello – Born in Cuba. Became a U.S. citizen in 1969.
 * Pamela Harriman – Born in the United Kingdom. Became a U.S. citizen in 1971.
 * Maria L. de Hernández
 * Ayaan Hirsi Ali

Diplomats

 * Zbigniew Brzezinski – Born in Poland. Became a U.S. citizen in 1958.

Political science

 * Yascha Mounk
 * Adam Ulam

Politicians

 * Katcho Achadjian – Born in Lebanon to parents from Armenia. Became a U.S. citizen in 1982.
 * Madeleine Albright – Born in Czechoslovakia (modern day Czech Republic). Became a U.S. citizen in 1957.
 * John Peter Altgeld
 * Rudy Boschwitz
 * Joseph Cao
 * Salud Carbajal
 * Peter Angelo Cavicchia
 * Elaine Chao – Born in Taiwan. Became an American citizen at the age of 19.
 * Fernando Cheung
 * Robert Dale Owen – Born in Scotland. Became a U.S. citizen in 1825.
 * John N. Dempsey
 * Lincoln Díaz-Balart
 * William P. Fitzpatrick
 * Jennifer Granholm – Born in Canada. Became a U.S. citizen in 1980.
 * Pramila Jayapal – Born in India. Became a U.S. citizen in 2000.
 * Henry Kissinger – Born in Germany. Became a U.S. citizen in 1943 while serving in the U.S. army
 * Raja Krishnamoorthi
 * Tom Lantos – Born in Hungary. Became a U.S. citizen in 1954.
 * Mel Martínez
 * Paul O'Dwyer – Born in Ireland. Became a U.S. citizen in 1930.
 * William O'Dwyer
 * Victoria Spartz – Born in the Soviet Union (modern day Ukraine). Became a U.S. citizen in 2006.
 * Leland Yee

Religious figures

 * Chaim Zanvl Abramowitz
 * Evangeline Booth
 * Frances Xavier Cabrini – Born in the Austria Empire (modern day Italy). Became a U.S. citizen in 1909.
 * Bhante Dharmawara
 * Oscar C. Eliason – Born in Sweden. Became an American citizen in 1915.
 * Gavriel Holtzberg
 * Menachem Mendel Schneerson
 * Paramahansa Yogananda – Born and raised in India. Becamea U.S. citizen in 1949.

Astronomy

 * Bart Bok – Born and raised in The Netherland. Became a U.S. citizen in 1938.
 * Margaret Burbidge – Born in the United Kingdom. Became a U.S. citizen in 1977.
 * Betül Kaçar
 * Janet Akyüz Mattei
 * Feryal Özel
 * Otto Struve – Born in Russian Empire (modern day Ukraine). Became an American citizen in 1927.

Biology

 * Ivet Bahar
 * Salvador Luria – Born and raised in Italy. Became a U.S. citizen in 1947.
 * Gökhan S. Hotamisligil
 * Ahmet Yıldız

Chemistry

 * Nihat Berker
 * Albert Chan
 * Basudeb DasSarma - Born in India (modern day Bangladesh). Became a U.S. citizen in 1972.
 * Aziz Sancar

Economics

 * Abhijit Banerjee
 * W. Michael Blumenthal - Born and raised in Germany. Became a U.S. citizen in 1952.
 * Michele Boldrin
 * John Kenneth Galbraith - Born and raised in Canada. Became an American citizen in 1937.
 * Faruk Gül
 * Asim Ijaz Khwaja
 * Murat Iyigun
 * Naci Mocan
 * Franco Modigliani – Born and raised in Italy. Became a U.S. citizen in 1946.
 * Salih Neftçi
 * Tayfun Sönmez

Engineering

 * Roma Agrawal
 * Ali Akansu
 * Ilkay Altintas
 * Viktor Belenko – Born and raised in Russia. Became an American citizen in 1980.
 * Lodewijk van den Berg - Born and raised in The Netherlands. Became a U.S. citizen in 1975.
 * Burcin Becerik-Gerber
 * Wernher von Braun - Born in Germany. Became a U.S. citizen in 1955.
 * Zeynep Çelik-Butler
 * Philip K. Chapman – Born and raised in Australia. Became a U.S. citizen in the late 1960s.
 * Kalpana Chawla – Born in India. Became an American citizen in 1991.
 * Ali Erdemir
 * Okan Ersoy
 * Walter Haeussermann – Born and raised in Germany. Became a U.S. citizen in 1954.
 * Pınar Keskinocak
 * Alexey Pajitnov
 * Thuan Pham
 * Jesco von Puttkamer – Born and raised in Germany. Became a U.S. citizen in 1967.
 * Ben Rich
 * Andy Thomas - Born and raised in Australia. Became a U.S. citizen in 1986.
 * Mehmet Toner

Mathematics

 * Asuman Aksoy
 * Asuman Aksoy
 * Lamberto Cesari – Born and raised in Italy. became an American citizen in 1976.
 * Bang-Yen Chen
 * Samuel Eilenberg
 * Ernst Hellinger – Born and raised in Germany. Became a U.S. citizen in 1944.
 * Mark Kac - Born in the Russian Empire (modern day Ukraine). Became an America citizen in 1943.
 * Leonid Khachiyan – Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 2000.
 * Emil Leon Post
 * John von Neumann – Born and raised in Hungary. Became an American citizen in 1937.
 * Albert Nijenhuis – Born and raised in the Netherlands. Became a U.S. citizen in 1959.
 * Ida Rhodes
 * Ayşe Şahinr
 * Sema Salur
 * Halil Mete Soner
 * Stanisław Ulam - Born in Austria-Hungary (modern day Ukraine). Became a U.S. citizen in 1941.

Medicine

 * Gertie F. Marx - Born and raised in Germany. Emigrated to New York in 1937 and became a U.S. citizen sometime after.

Meteorology

 * James Murdoch Austin – Born and raised in New Zealand. Became a U.S. citizen in 1946.

Philosophy

 * Hannah Arendt
 * Max Black – Born in Azerbaijan raised in the United Kingdom. Became a U.S. citizen in 1948.

Physics

 * Ilesanmi Adesida
 * Qanta A. Ahmed - Born and raised in the United Kingdom (specially England). Became a U.S. citizen in 2015.
 * Ernest Ambler - Born and raised in the United Kingdom (specially England). Became an American citizen in 1957.
 * Muzaffer Atac
 * Bülent Atalay
 * Felix Bloch – Born and raised in Switzerland. Became a U.S. citizen in 1939.
 * Asım Orhan Barut
 * Ernest Courant
 * F. J. Duarte
 * Robley Dunglison – Born in the United Kingdom. Became a U.S. citizen in 1838.
 * Taner Edis
 * Albert Einstein – Born in Germany. Became a U.S. citizen in 1940.
 * Federico Faggin - Born and raised in Italy. Became an American citizen in 1968.
 * Enrico Fermi - Born and raised in Italy. Became a U.S. citizen in 1944.
 * André Frédéric Cournand – Born and raised in France. Became an American citizen in 1941.
 * Jim Yong Kim
 * Burçin Mutlu-Pakdil
 * Bennet Omalu – Born and raised in Nigeria. Became a U.S. citizen in 2015.
 * Yuri Orlov – Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 1993.
 * Benjamin B. Rubinstein – Born in Finland. Became a U.S. citizen in 1957.
 * Wolfgang Pauli – Born and raised in Austria-Hungary (modern day Austria). Became a U.S. citizen in 1946.
 * Horst Ludwig Störmer
 * Leana Wen – Born in China. Became a U.S. citizen in 2003.
 * Emil Wolf
 * Xiaoxing Xi

Psychology

 * Ozlem Ayduk
 * Carola B. Eisenberg – Born in Argentina. Became a U.S. citizen in 1949.
 * Erik Erikson
 * Peter Harzem
 * Boris M. Levinson – Born in the Russian Empire (modern day Lithuania). Became a U.S. citizen in 1930.
 * Renee Rabinowitz
 * Douglas G. Stuart - Born in Australia. Became an American citizen in 1961.
 * Max Wertheimer

American football

 * Morten Andersen
 * Gunther Cunningham – Born in Germany. Became a U.S. citizen in 2010.
 * L. P. Ladouceur – Born and raised in Canada. Became a U.S. citizen in 2019.
 * Arthur Mosse – Born in Ireland. Became a U.S. citizen in 1937.
 * Christian Okoye
 * Igor Olshansky
 * Fuad Reveiz – Born in Colombia. Became a U.S. citizen in 1986.
 * Jan Stenerud

Athletics

 * Abdihakem Abdirahman – Born in Somalia. Became a U.S. citizen in 2000.
 * Haydar Aşan
 * Gretel Bergmann – Born in Germany. Became a U.S. citizen in 1942.
 * Hillary Bor - Born and raised in Kenya. Became a U.S. citizen after joining the U.S. military.
 * Paul Chelimo – Born in Kenya. Became a U.S. citizen in 2014 while serving in the U.S. army.
 * Kerron Clement – Born and raised in Trinidad and Tobago. Became a U.S. citizen in 2004.
 * Colleen De Reuck – Born and raised in South Africa. Became a U.S. citizen in 2000.
 * Sandra Farmer-Patrick
 * Weini Kelati – Born in Eritrea. Became a U.S. citizen in 2021.
 * Benard Keter
 * Khalid Khannouchi – Born in Morocco. Became a U.S. citizen in 2000.
 * Shadrack Kipchirchir
 * Sally Kipyego – Born and raised in Kenya. Became a U.S. citizen in 2017.
 * Leonard Korir
 * Bernard Lagat - Born and raised in Kenya. Became a U.S. citizen in 2004.
 * Lopez Lomong – Born and raised in Sudan (modern day South Sudan. Became a U.S. citizen in 2007.
 * Guor Marial
 * Sydney Maree
 * Nadia Prasad – Born in France. Became a U.S. citizen in 2000.
 * Stanisława Walasiewicz - Born in the Russian Empire (modern day Poland). Became a U.S. citizen in 1947.
 * Futsum Zienasellassie - Born in Eritrea. Became a U.S. citizen in 2016.

Baseball

 * Jason Bay – Born in Canada. Became a U.S. citizen in 2009.
 * Orlando Cabrera – Born in Colombia. Became an American citizen in 2011.
 * Robinson Canó – Born and raised in The Dominican Republic. Became a U.S. citizen in 2012.
 * Carlos Carrasco – Born and raised in Venezuela. Became a U.S. citizen in 2016.
 * Aroldis Chapman – Born in Cuba. Became a U.S. citizen in 2016.
 * Eduardo Escobar – Born and raised in Venezuela. Became a U.S. citizen in 2023.
 * Yunel Escobar – Born and raised in Cuba. Became a U.S. citizen in 2017.
 * José Fernández – Born in Cuba. Became a U.S. citizen in 2015.
 * Ozzie Guillén – Born and raised in Venezuela. Became a U.S. citizen in 2006.
 * Félix Hernández – Born in Venezuela. Became a U.S. citizen in 2018.
 * José Iglesias – Born in Cuba. Became an American citizen in 2018.
 * Leonys Martín – Born and raised in Cuba. Became a U.S. citizen in 2018.
 * Oscar Mercado – Born in Colombia. Became a U.S. citizen in 2018.
 * David Ortiz – Born and raised in the Dominican Republic. Became a U.S. citizen in 2008.
 * Eddie Pérez – Born and raised in Venezuela. Became a U.S. citizen in 2014.
 * Tony Pérez – Born and raised in Cuba. Became a U.S. citizen in 1971.
 * Plácido Polanco – Born in the Dominican Republic. Became a U.S. citizen in 2008.
 * Yasiel Puig – Born in Cuba. Became a U.S. citizen in 2019.
 * Albert Pujols – Born in the Dominican Republic. Became a U.S. citizen in 2007.
 * Hanley Ramírez – Born and raised in the Dominican Republic. Became a U.S. citizen in 2019.
 * Manny Ramirez – Born in the Dominican Republic. Became a U.S. citizen in 2004.
 * Mariano Rivera – Born and raised in Panama. Became a U.S. citizen in 2015.
 * Chico Ruiz – Born in Cuba. Became a U.S. citizen in 1972.
 * Carlos Santana – Born in the Dominican Republic. Became a U.S. citizen in 2019.
 * Fernando Valenzuela – Born and raised in Mexico. Became a U.S. citizen in 2015.

Basketball

 * Kristine Anigwe – Born in the United Kingdom to parents from Nigeria. Became a U.S. citizen in 2014.
 * Geno Auriemma – Born in Italy. Became an American citizen in 1994.
 * Hank Beenders
 * Rolando Blackman
 * Bohdan Blyzniuk
 * Brandon Clarke
 * James Donaldson
 * Patrick Ewing
 * Adonal Foyle - Born and raised in Saint Vincent and the Grenadines. Became a U.S. citizen in 2007.
 * Olga Firsova – Born in the Soviet Union (modern day Ukraine). Became a U.S. citizen in 2008.
 * Ernie Grunfeld – Born in Romania. Became a U.S. citizen in 1976.
 * Adnan Hodžić
 * Zydrunas Ilgauskas – Born and raised in Lithuania. Became a U.S. citizen in 2013.
 * Enes Kanter Freedom - Born in Switzerland raised in Turkey. Became a U.S. citizen in 2021.
 * Andrei Kirilenko – Born and raised in Russia. Became a U.S. citizen in 2011.
 * Damir Krupalija
 * Tom Meschery
 * Sean Marks – Born and raised in New Zealand. Became an American citizen in 2007.
 * Dikembe Mutombo
 * Hakeem Olajuwon - Born and raised in Nigeria. Became a U.S. citizen in 1993.
 * Ticha Penicheiro – Born and raised in Portugal. Became a U.S. citizen in 2013.
 * Juan Ignacio Sánchez
 * Goran Suton - Born in Bosnia and Herzegovina. Became a U.S. citizen in 2006.
 * Mychal Thompson
 * Tristan Thompson - Born and raised in Canada. Became an American citizen in 2020.

Boxing

 * Eduardo Garcia
 * Kid Kaplan
 * Dmitry Salita

Climbing

 * Fritz Wiessner – Born and raised in Germany. Became a U.S. citizen in 1935.

Figure skating

 * Rafael Arutyunyan – Born and raised in the Soviet Union (modern day Georgia). Became a U.S. citizen in 2019.
 * Daniil Barantsev
 * Nina Bates
 * Tanith Belbin White - Born and raised in Canada. Became a U.S. citizen in 2005.
 * Jane Bugaeva – Born in Russia. Became a U.S. citizen in 2007.
 * Alexandr Chichkov
 * Oleg Fediukov
 * Mathew Gates
 * Kyoko Ina
 * Rena Inoue - Born and raised in Japan. Became a U.S. citizen in 2005.
 * Chuen-Gun Lee
 * Gustave Lussi – Born in Switzerland. Became a U.S. citizen in 1927.
 * Alexandr Kirsanov
 * Ksenia Makarova – Born in Russia. Became an American citizen in 2013.
 * Denis Petukhov - Born and raised in Russia. Became a U.S. citizen in 2005.
 * Larisa Selezneva – Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 2013.
 * Gorsha Sur
 * Peter Tchernyshev – Born and raised in the Soviet Union (modern day Russia). Became a U.S. citizen in 2001.

Golf

 * Tommy Armour – Born and raised in the United Kingdom specifically Scotland. Became a U.S. citizen in 1942.
 * Bobby Cruickshank
 * Harry Cooper
 * Jim Ferrier – Born and raised in Australia. Became a U.S. citizen in 1944.
 * Jenny Lidback – Born in Peru to parents from Sweden. Became a U.S. citizen in 2003.
 * Pearl Sinn – Born in South Korea. Became a U.S. citizen at the age of 14.
 * Macdonald Smith – Born and raised in the United Kingdom specifically Scotland. Became a U.S. citizen in 1918.
 * Annika Sörenstam - Born and raised in Sweden. Became a U.S. citizen in 2006.

Gymnastics

 * Svetlana Boginskaya
 * Nadia Comăneci – Born and raised in Romania. Became a U.S. citizen in 2001.
 * Annia Hatch – Born in Cuba. Became a U.S. citizen in 2001.
 * Irina Kazakova
 * Olga Korbut – Born and raised in The Soviet Union (modern day Belarus). Became a U.S. citizen in 2000.
 * Anna Kotchneva
 * Valeri Liukin – Born in The Soviet Union (modern day Kazakhstan). Became a U.S. citizen in 2000.
 * Henrietta Ónodi – Born and raised in Hungary. Became a U.S. citizen later in life.
 * Elena Piskun

Ice hockey

 * Joseph Barss - Born in British India raised in Canada. Became a U.S. citizen in 1930.
 * Martin Biron – Born and raised in Canada. Became a U.S. citizen in 2017.
 * Martin Brodeur – Born and raised in Canada. Became a naturalized U.S. citizen in 2009
 * Valeri Bure – Born and raised in Russia. Became a U.S. citizen in 2001.
 * Bill Clement – Born and raised in Canada. Became a U.S. citizen in 2010.
 * Tony Esposito - Born and raised in Canada. Became a U.S. citizen in 1981.
 * Ruslan Fedotenko
 * Mike Fisher – Born and raised in Canada. Became a U.S. citizen in 2019.
 * Wayne Gretzky
 * Arthur Kaliyev
 * Tom Karalis - Born and raised in Canada. Became a U.S. citizen following Ice Hockey retirement.
 * Darius Kasparaitis
 * Ian Laperrière – Born and raised in Canada. Became an American citizen in 2011.
 * Claude Lemieux – Born and raised in Canada. Became a U.S. citizen in 2009.
 * Mario Lemieux
 * Joel Quenneville - Born and raised in Canada. Became an American citizen in 2011.
 * Chico Resch
 * Ulf Samuelsson
 * Joe Thornton - Born and raised in Canada. Became a U.S. citizen in 2009.
 * Bryan Trottier

Mixed martial arts

 * Rafael dos Anjos – Born and raised in Brazil. Became a U.S. citizen in 2019.
 * Andrei Arlovski
 * Vitor Belfort – Born and raised in Brazil. Became a U.S. citizen in 2018.
 * Cris Cyborg – Born and raised in Brazil. Became a U.S. citizen in 2016.
 * Alp Ozkilic
 * Anderson Silva – Born and raised in Brazil. Became a U.S. citizen in 2019.
 * Glover Teixeira – Born and raised in Brazil. Became a U.S. citizen in 2020.
 * Kamaru Usman
 * Sodiq Yusuff – Born in Nigeria. Became a U.S. citizen in 2020.

Motor sports

 * Aldo Andretti
 * Mario Andretti - Born in Italy. Became a U.S. citizen in 1964.
 * Luigi Chinetti - Born and raised in Italy. Became a U.S. citizen in 1950.

Rugby

 * Takudzwa Ngwenya

Skateboarding

 * Letícia Bufoni – Born and raised in Brazil. Became a U.S. citizen in 2021.
 * Bob Burnquist

Soccer / association football

 * Freddy Adu – Born in Ghana. Became a U.S. citizen in 2003.
 * Juan Agudelo
 * Osvaldo Alonso – Born and raised in Cuba. Became a U.S. citizen in 2012.
 * Vlatko Andonovski – Born in modern-day North Macedonia. Became a U.S. citizen in 2015.
 * Hadji Barry – Born and raised in Guinea. Became a U.S. citizen in 2018.
 * Fernando Clavijo – Born in Uruguay. Became a U.S. citizen in 1987.
 * Jeff Cunningham – Born in Jamaica. Became an American citizen in 2001.
 * Emmanuel D'Andrea - Born in Venezuela, raised in Puerto Rico. Became a U.S. citizen at the age of 10.
 * Mix Diskerud
 * Benny Feilhaber
 * Elena Gracinda Santos
 * Baggio Hušidić - Born and raised in Yugoslavia (modern day Bosnia and Herzegovina). Became a U.S. citizen while in college.
 * Donna-Kay Henry
 * Dema Kovalenko
 * Sydney Leroux
 * Carlos Llamosa – Born in Colombia. Became a U.S. citizen in 1998.
 * Catarina Macario – Born in Brazil. Became a U.S. citizen in 2020.
 * Kekuta Manneh – Born in Gambia. Became an American citizen in 2016.
 * Mick McDermott
 * Janusz Michallik – Born in Poland. Became a U.S. citizen in 1991.
 * Darlington Nagbe – Born in Liberia. Became a U.S. citizen in 2015.
 * Teresa Noyola
 * Brian Quinn
 * Andrew Parkinson
 * Hugo Pérez - Born in El Salvador. Became a U.S. citizen as a kid.
 * Preki - Born in Yugoslavia (modern day Serbia). Became a U.S. citizen in 1996.
 * Tab Ramos
 * David Regis – Born in Martinique. Became a U.S. citizen in 1998.
 * Havana Solaun
 * Roy Wegerle – Born and raised in South Africa. Became a U.S. citizen in 1991.
 * Gedion Zelalem – Born in Germany to parents from Ethiopia. Became a U.S. citizen in 2014.
 * Kia Zolgharnain – Born in Iran. Became a U.S. citizen in 1994.

Swimming

 * John Davies – Born and raised in Australia. Became a U.S. citizen in 1960.
 * Mariya Koroleva
 * Lenny Krayzelburg - Born and raised in Ukraine. Became an American citizen in 1995.
 * Jay Litherland - Born and raised in Japan. Became a U.S. citizen while in high school.
 * Philip Scholz - Born and raised in Germany. Became a U.S. citizen in 2007.
 * Darian Townsend - Born and raised in South Africa. Became a U.S. citizen in 2014.
 * Arkady Vyatchanin – Born and raised in Russia. Became a U.S. citizen in 2017.
 * Otto Wahle - Born in Austrian empire (modern day Austria). Became a U.S. citizen in 1906.
 * Alberto Zorrilla – Born and raised in Argentina. Became a U.S. citizen in 1954.

Tennis

 * Alex Bogomolov Jr.
 * Kevin Curren – Born and raised in South Africa. Became a U.S. citizen 1985.
 * Mariaan de Swardt – Born and raised in South Africa. Became a U.S. citizen in 2006.
 * Amer Delić
 * Edward Dewhurst – Born and raised in Australia. Became a U.S. citizen in 1924.
 * Cliff Drysdale - Born and raised in South Africa. Became a U.S. citizen following retirement of tennis career.
 * Tommy Haas – Born in Germany. Became a U.S. citizen in 2010.
 * Liezel Huber – Born in South Africa. Became a U.S. citizen in 2007.
 * Anna Kournikova – Born in Russia. Became a U.S. citizen in 2010.
 * Johan Kriek – Born in South Africa. Became a U.S. citizen in 1982.
 * Denis Kudla
 * Varvara Lepchenko – Born in The Soviet Union (modern day Uzbekistan). Became an American citizen in 2012.
 * Ivan Lendl – Born and raised in Czechoslovakia (modern day Czech Republic). Became a U.S. citizen in 1992.
 * Tetiana Luzhanska
 * Molla Mallory
 * Martina Navratilova – Born and raised in Czechoslovakia (modern day Czech Republic). Became an American citizen in 1981.
 * Alex Olmedo – Born in Peru. Became a U.S. citizen later in life.
 * Bernarda Pera
 * Fred Perry – Born and raised in the United Kingdom. Became a U.S. citizen in 1939.
 * Monica Seles – Born in Yugoslavia (modern day Serbia). Became a U.S. citizen in 1994.
 * Anna Tatishvili – Born in the country of Georgia. Became a U.S. citizen in 2014.

Volleyball

 * Bojana Todorović

Weightlifting

 * Mike Karchut
 * Richard Tom
 * Walter Zagurski

Winter Sports

 * Kaillie Humphries - Born and raised in Canada. Became a U.S. citizen in 2022.

Wrestling

 * Edwin Bibby – Born and raised in the United Kingdom. Became a U.S. citizen in 1900.
 * Drew McIntyre - Born and raised in Scotland. Became a U.S. citizen in 2023.
 * Ildar Hafizov - Born and raised in Uzbekistan. Became a U.S. citizen after enlisting in the U.S. Army in 2015.
 * Rocky Johnson
 * Becky Lynch - Born and raised in Irland. Became a U.S. citizen in 2024.