Mary Jo, various spelled Mari Jo, Mary Joe and similar, is a feminine given name found mainly in the United States. It is often a contraction of Mary Josephine, Mary Joanna or similar.

Notable people with the name include:

• Mary Jo Arndt (1933–2011), American activist and civic leader
• Mary Jo Baedecker (born 1941), American geochemist
• Mary Jo Bane, American political scientist
• Mary Jo Bang (born 1946), American poet
• Mary Jo Bona, American literary scholar
• Mary Jo Bole (born 1956), American artist
• Mari Jo Buhle (born 1943), American historian
• Mary Jo Buttafuoco (born 1955), American author and motivational speaker
• Mary Jo Catlett (born 1938), American actress
• Mary Jo Chelette (1939–1984), American country singer
• Mary Jo Codey (born 1955), American healthcare activist
• Maryjo Cohen (born 1952), American business executive
• Mary Jo Daley (born 1949), American politician
• Mary Jo Deschanel (born 1945), American actress
• Mary Jo Duffy (born 1954), American comic book editor and writer
• Mary Jo Estep (1909 or 1910—1992), Shoshone massacre survivor
• Mary Jo Eustace (born 1962), Canadian actress and chef
• Mary Joe Fernández (born 1971), American tennis player
• Mary Jo Fisher (born 1962), Australian politician
• Mary Jo Foley, American writer
• Mary Jo Freshley (born 1934), American Korean dance instructor
• Mary Joe Frug (1941–1991), American legal scholar
• Mary Jo Haddad, Canadian nurse and health care executive
• Mary Jo Heath (born 1954), American radio music host
• Mary Jo Keenen (born 1961), American actress
• Mary Jo Kilroy (born 1949), American attorney and politician
• Mary Jo Kopechne (1940–1969), American secretary
• Mary Jo Leddy, (born 1946), Canadian writer and activist
• Mary Jo Markey, American television and film editor
• Mary Jo McGuire (born 1956), American politician
• MariJo Moore, American writer
• Mary-Jo Morell (born 1937), nom de plume of German writer Doris Gercke
• Mary Jo Nye (born 1944), American historian of science
• Mary Jo Ondrechen (born 1953), American chemist
• Mary Jo Pehl (born 1960), American writer, actress, and comedian
• Mary Jo Peppler (born 1944), American volleyball player and coach
• Mary Jo Perino, American television sports journalist
• Mary Jo Podgurski, American healthcare educator
• Mary Jo Putney, American author
• Mary Jo Randle (born 1954), English actress
• Mari-Jo P. Ruiz, Filipina mathematician
• Mary Jo Salter (born 1954), American poet
• Mary Jo Sanders (born 1974), American boxer
• Mary Jo Shelly (1902–1976), American military administrator
• Mary Jo Slater (born 1946), American casting director and producer
• Mary-Jo Starr (born 1959), stage name of Australian actress, director, and singer Kaarin Fairfax
• Mary Jo Tarola (1928–2017), birth name of American model and actress Linda Douglas
• Mary Jo Taylor (born 1953), American politician
• Mary Jo Tiampo (born 1962), American freestyle skier
• Mary Jo Watson, Seminole art historian
• Mary Jo White (born 1947), American attorney and civil servant
• Mary Jo White (Pennsylvania politician) (born 1941), American state senator
• Mary Jo Wilhelm (born 1955), American politician
• Mary Jo Wills (born 1951), American diplomat
• Mary-Jo Wormell (born 1947), birth name of British writer Mary Lyons
• Mary Jo Young, American contestant on American Idol season 19

• Mari Jo Mason, in the US TV soap opera The Young and the Restless, played by Pamela Bach and Diana Barton
• Mary Jo Shively, in the US TV sitcom Designing Women, played by Annie Potts

Name list

This page or section lists people that share the same given name.
If an internal link led you here, you may wish to change that link to point directly to the intended article.