Eugen

Eugen is a masculine given name which may refer to:


 * Archduke Eugen of Austria (1863–1954), last Habsburg Grandmaster of the Teutonic Order from 1894 to 1923
 * Prince Eugen, Duke of Närke (1865–1947), Swedish painter, art collector, and patron of artists
 * Prince Eugen of Schaumburg-Lippe (1899–1929)
 * Prince Eugen of Bavaria (1925–1997)
 * Eugen Aburel (1899–1975), Romanian surgeon and obstetrician
 * Eugen Bacon, female African-Australian author
 * Eugen Beza (born 1978), Romanian football manager and former player
 * Eugen Bleuler (1857–1939), Swiss psychiatrist and eugenicist
 * Eugen von Böhm-Bawerk (1851–1914), Austrian economist
 * Eugen Bolz (1881–1945), German politician and member of the anti-Nazi resistance
 * Eugen Chirnoagă (1891–1965), Romanian chemist
 * Eugen Cicero (1940–1997), Romanian-German jazz pianist
 * Eugen Ciucă (1913–2005), Romanian-American artist
 * Eugen d'Albert (1864–1932), Scottish-born pianist and composer
 * Eugen Doga (born 1937), Romanian composer from Moldova
 * Eugen Drewermann (born 1940), German church critic, theologian, peace activist, and former Catholic priest
 * Eugen Dühring (1833–1921), German philosopher, positivist, economist and socialist
 * Eugen Fischer (1874–1967), German professor of medicine, anthropology, and eugenics and Nazi
 * Eugen Fischer (historian) (1899–1973), German geologist and historian
 * Eugen Goldstein (1850–1930), German-Jewish physicist working with discharge tubes
 * Eugen Grimminger (1892–1986), a member of the anti-Nazi White Rose resistance group in Germany
 * Eugen Peter Jeljenic, birth name of Gene Rayburn (1917–1999), American gameshow host and radio personality
 * Eugen Jochum (1902–1987), German conductor
 * Eugen Landau (1852–1935), German-Jewish banker and philanthropist
 * Eugen Leviné (1883–1919), German-Jewish communist revolutionary and one of the leaders of the short-lived Bavarian Council Republic
 * Eugen Netto (1848–1919), German mathematician
 * Eugen Nosko (born 1938), German photographer
 * Eugen J. Pentiuc (born 1955), Romanian biblical scholar
 * Eugen Richter (1838–1906), German politician in Imperial Germany
 * Eugen Rochko (born Evgeniy Rochko, Евгений Рочко; 1993–), Russian-born German creator of the Mastodon (social network)
 * Eugen Rosenstock-Huessy (1888–1973), German-Jewish historian and social philosopher
 * Eugen Sandow (1867–1925), Prussian bodybuilder and showman born Friedrich Wilhelm Müller
 * Eugen Sänger (1905–1964), Austrian aerospace engineer
 * Eugen Schauman (1875–1904), Swedish-speaking Finnish nationalist, nobleman, and assassin
 * Eugen Schileru (1916–1968), Romanian art and literary critic, essayist, and translator
 * Eugen Simion (1933–2022), Romanian literary critic, historian, and academician
 * Eugén Strömberg (1895–1971), Swedish military doctor+
 * Eugen Šváb (1936–2024), Slovak swing musician
 * Eugen Trică (born 1976), Romanian football manager and former player
 * Eugen Țurcanu (1925–1954), Romanian communist criminal and torturer
 * Eugen Weidmann (1908–1939), German criminal and serial killer, last person publicly executed in France
 * Eugen Zasavițchi (born 1992), Moldovan footballer