Mary Wilson may refer to:
Mary Wilson, Baroness Wilson of Rievaulx (1916–2018), British poet, wife of Harold Wilson
Mary L. G. Carus-Wilson (1861–1935), English author and speaker
Mary Louise Wilson (born 1931), American film, musical theatre, stage and television actress
Mary Wilson (singer) (1944–2021), American singer, member of Motown group The Supremes
Mary Wilson (album), a 1979 album by Mary Wilson
Mary Wilson, host of Radio New Zealand's Checkpoint news programme
Mary Ellen Wilson (1864–1956), child abuse victim whose case spurred on the founding of the New York Society for the Prevention of Cruelty to Children
Mary Wilson (broadcaster) (born 1967), Irish broadcaster and journalist
Mary Elizabeth Wilson (1893–1963), serial killer known as "the Merry widow of Windy Nook"
Mary Evans Wilson (1866–1928), Boston civil rights activist
Mary Ann Wilson (1936–2025), American nurse and TV exercise presenter
Mary Anne Wilson (1802–1867), English opera singer
Mary Wilson, character in 1941 American comedy Angels with Broken Wings
Mary Wilson, widow of Ralph Wilson and leader of the trust that holds ownership of the Buffalo Bills
Mary Pat Wilson (born 1963), Puerto Rican Olympic skier
Mary Wilson (politician) (active since 2018), Canadian politician
Mary Florence Wilson (1884–1977), librarian for the League of Nations
Mary Jane Wilson (1840–1916), founded the Catholic religious order, the Congregation of the Franciscan Sisters of Our Lady of Victories
Mary Georgina Wade Wilson (1856–1939), Scottish artist
Mary J. Wilson (1937–2020), African-American zookeeper
Mary Wilson (figure skater) (1940–2024), Australian figure skater
Mary Louise Defender Wilson (born 1930), Native American storyteller, scholar and educator
Mary Dunstan Wilson (1870–1959), Australian educator and nun
Mary Street Wilson, American pastor, teacher, math professor, social justice activist, and candidate in the 2018 United States House of Representatives elections in Texas