Mary Lou (name)

Mary Lou, Mary-Lou, Marylou or Marilou may refer to:

People

 * Marilou (singer) (Marilou Bourdon, born 1990), French-Canadian pop singer and cookbook author
 * Marilou Awiakta (born 1936), American poet
 * Mary Lou Baker (1914–1965), American member of the Florida House of Representatives, and women's rights activist
 * Mary Lou Belli (fl. 1984–present), American television director and author
 * Marilou Berry (born 1983), French actress, film director and screenwriter
 * Mary Lou Beschorner (1929–2008), American player in the All-American Girls Professional Baseball League
 * Mary Lou Clements-Mann (1946–1998), American biologist
 * Mary Lou Crocker (1944–2016), American golfer
 * Mary-Lou Daniels (born 1961), American retired tennis player
 * Marylou Dawes (1933–2013), Canadian concert pianist
 * Marilou Diaz-Abaya (1955–2012), Filipino film director
 * Mary Lou Dickerson (born 1946), American politician
 * Marilou Dozois-Prévost (born 1986), Canadian weightlifter
 * Mary Lou Fallis (born 1948), Canadian opera singer
 * Mary Lou Farrell (1942–2011), Canadian singer, actress and beauty queen
 * Mary Lou Finlay (born 1947), Canadian radio and television journalist
 * Mary Lou Forbes (1926–2009), American Pulitzer Prize-winning journalist and commentator
 * Mary Lou Foy (born 1944), American photojournalist
 * Mary Lou Freeman (1941–2006), American politician
 * Mary Lou Goertzen (1929–2020), American artist, peace activist and Mennonite
 * Mary Lou Graham (born 1936), American player in the All-American Girls Professional Baseball League
 * Mary Lou Jepsen (born 1965), American entrepreneur, business executive and inventor
 * Mary Lou Kolbenschlag (born 1992), American actress - see Mary Lou (actress)
 * Mary Lou Lord (born 1965), American indie folk musician and busker
 * Mary Lou Makepeace (born 1940, American politician
 * Mary Lou McDonald	(born 1969), Irish politician, leader of the Sinn Féin party
 * Mary L. McMaster, American oncologist and clinical trialist
 * Mary Lou Metzger (born 1950), American singer and dancer
 * Mary Lou Munts (1924–2013), American politician and lawyer
 * Mary Lou Petty (1915–2014), American swimmer
 * Mary Lou Rath (fl. 1978–present), American politician
 * Mary Lou Retton (born 1968), American retired gymnast, 1984 Olympic all-around champion
 * Mary Lou Robinson (1926–2019), American federal judge
 * Mary Lou Soffa, American computer scientist
 * Mary Lou Spiess (1931–1992), American disability advocate, teacher, and designer of disabled fashion
 * Mary Lou Studnicka (1931–2014), American pitcher in the All-American Girls Professional Baseball League
 * Mary Lou Turner (born 1947), American country music singer
 * Mary Louise Marylou Whitney (1925–2019), American philanthropist and socialite
 * Mary Lou Williams	(1910–1981), American jazz pianist, arranger and composer
 * Mary Lou Zoback (born 1952), American geophysicist

Fictional characters

 * Mary Lou Collins, in The Larry Sanders Show
 * Marylou, a character in the novel On the Road by American writer Jack Kerouac
 * Marylou Ahearn, a character in the novel The Revenge of the Radioactive Lady by Elizabeth Stuckey-French
 * Marylou, a character in the movie The Howling (film) played by Elizabeth Shé