Mary Beth

Mary Beth may refer to:
 * Mary Beth Canty, American politician
 * Mary Beth Carozza (born 1961), American politician
 * Mary Beth Decker, American cast member of Road Rules: South Pacific
 * Mary Beth Dolin (1936–1985), American-born Canadian politician
 * Mary Beth Dunnichay (born 1993), American platform diver
 * Mary Beth Edelson (1933–2021), American artist and pioneer of the feminist art movement
 * Mary Beth Fielder, American writer, director, and producer of television- and feature films
 * Mary Beth Harrell, American attorney
 * Mary Beth Harshbarger (born 1965), American woman who accidentally shot her husband
 * Mary Beth Hurt (born 1946), American retired stage- and screen actress
 * Mary Beth Iagorashvili (born 1974), American retired modern pentathlete
 * Mary Beth Imes (born 1948), American politician
 * Mary Beth Landrum, British-American statistician
 * Mary Beth Leatherdale, Canadian author and storyteller
 * Mary Beth Leonard (born 1962), American diplomat
 * Mary Beth Marley (born 1995), American pair skater
 * Mary Beth McKenzie (born 1946), American painter of contemporary figures
 * Mary Beth Peil (born 1940), American actress and soprano
 * Mary Beth Rondeau (born 1956), Canadian former freestyle swimmer
 * Mary Beth Rosson, American director of graduate programs and professor
 * Mary Beth Rubens, Canadian film-, stage-, and television actress
 * Mary Beth Ruskai (1944–2023), American mathematical physicist and professor of mathematics
 * Mary Beth Tinker (born 1952), American free speech activist
 * Mary Beth Zimmerman (born 1960), American professional golfer