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 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, 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, 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
Fictional characters with the name include: Mari Jo Mason, a The Young and the Restless character from the 1990s Mary Jo Shively, a Designing Women character