Mary Belle
Mary Belle may refer to the following given names:
- Mary Belle Cox, birth name of Belle Brezing (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
- MaryBelle Johns Nissly (1918–1999), American conductor and music educator
- Mary-Belle Kirschner, birth name of Belle Delphine (born 1999), South African-born British media personality, pornographic actress, model, and YouTuber
- Mary Belle McElwain (1874–1964), American classical scholar