Religion

• New Testament people named Mary, overview article linking to many of those below
• Mary, mother of Jesus, also called the Blessed Virgin Mary
• Mary Magdalene, devoted follower of Jesus
• Mary of Bethany, follower of Jesus, considered by Western medieval tradition to be the same person as Mary Magdalene
• Mary, mother of James
• Mary of Clopas, follower of Jesus
• Mary, mother of John Mark
• Mary of Egypt, patron saint of penitents
• Mary of Rome, a New Testament woman
• Mary the Jewess, one of the reputed founders of alchemy, referred to by Zosimus.

Royalty

• Mary, Countess of Blois (1200–1241), daughter of Walter of Avesnes and Margaret of Blois
• Mary of Burgundy (1457–1482), daughter of Charles the Bold, Duke of Burgundy
• Queen Mary of Denmark (born 1972), wife of Frederik X of Denmark
• Mary I of England (1516–1558), aka "Bloody Mary", Queen of England and Ireland
• Mary II of England (1662–1694), Queen of England, Scotland, and Ireland
• Mary of Guelders (c. 1434–1463), daughter of Arnold, Duke of Guelders
• Mary of Guise (1515–1560), Queen Consort of James V of Scotland and mother of Mary, Queen of Scots
• Mary, Queen of Hungary (1371–1395), daughter of Louis I the Great of Hungary
• Mary of Modena (1658–1718), Queen Consort of King James II of England and VII of Scotland
• Mary I of Portugal (1734–1816), daughter of King Joseph I of Portugal
• Mary II of Portugal (1819–1853), daughter of the future King Pedro IV
• Mary, Queen of Scots (1542–1587), mother of James I of England
• Mary of Teck (1867–1953), Queen Consort of George V of the United Kingdom
• Mary of Waltham (1344–1362), daughter of King Edward III of England
• Mary of Woodstock (1278–1332), daughter of Edward I of England
• Mary, Princess Royal and Countess of Harewood (1897–1965), daughter of King George V and Mary of Teck
• Princess Mary, Duchess of Gloucester and Edinburgh (1776–1857), daughter of King George III and Charlotte of Mecklenburg-Strelitz

Other people

• Mary (slave) (c. 1824 – 1838), American slave executed for murder
• Rosie Attard (2000–2000), British conjoined twin subject to legal case whose pseudonym was Mary
• Parvati Melton (fl. 2004–2013), American model also known as Mary

Fictional characters

• Mary, a character in Total Drama Presents: The Ridonculous Race
• Mary Conner, a character in Roseanne
• Mary Dean, a character in Love's Old Sweet Song
• Mary Harris, a character in He's Just Not That Into You
• Mary Hartman, the titular character of Mary Hartman, Mary Hartman
• Mary Hendon, a character in A Sinless Sinner
• Mary Jensen, the protagonist of There's Something About Mary
• Mary Lennox, the protagonist of The Secret Garden
• Dr. Mary Malone, a character in the His Dark Materials trilogy
• Mary Marvel, a superheroine and member of the Marvel Family
• Mary Melody, a character in Tiny Toon Adventures
• Mary Poppins (character), a nanny with magical powers
• Lady Mary Talbot, a character in Downton Abbey
• Mary Test, a character in Johnny Test

Film

• Mary (1931 film), a British-German thriller film
• Mary (1994 film), an Australian documentary
• Mary (2005 film), an Italian thriller film
• Mary (2019 film), an American horror film
• Mary (2024 film), an American-British biblical film

Music

Novels

• Mary: A Fiction , a 1788 novel by Mary Wollstonecraft
• Mary (Nabokov novel), 1926

Television

• Mary (1978 TV series), a variety show
• Mary (1985 TV series), a sitcom

Theater

• Mary (musical), a 1920 comedy by Otto Harbach and Frank Mandel