Mary French may refer to:
Mary Billings French (1869–1951), American heiress and society figure Mary French Rockefeller (1910–1997), American heiress, socialite, and philanthropist Mary French (attorney), American attorney Mary French (netball) (1926–2016), English netball player, coach, umpire and administrator May French Sheldon (1847–1936), née Mary French, American author and explorer Mary Mel French (born 1938), United States Chief of Protocol