Mary Belle

Mary Belle, or variants, is a given name.

People with the given name
Notable people with the name include:
 * Mary Belle Allen (1922–1973), American pioneer of biochemical microbiology
 * Belle Brezing (Mary Belle Cox, 1860–1940), American prostitute and brothel madam
 * Mary Belle de Vargas (1902–1946), American artist
 * Mary Belle Grossman (1879–1977), American suffragist, attorney, and judge
 * Mary Belle Harris (1874–1957), American prison administrator and reformer
 * MaryBelle Johns Nissly (1918–1999), American conductor and music educator
 * Belle Delphine (Mary-Belle Kirschner, born 1999), South African-born British media personality and pornographic actress
 * Mary Belle McElwain (1874–1964), American classical scholar

Fictional characters

 * Marybelle Portsnell, in The Poe Clan manga series