Mary Gray
Mary Gray may refer to:
- Bessy Bell and Mary Gray, ballad subjects
- Mary Augusta Dix Gray, American missionary to Nez Perce people in the Oregon Territory
- Mary Gray (socialist), British socialist activist and founder of the first Socialist Sunday School
- Mary Caroline Gray, British author
- Mary L. Gray, American anthropologist and author
- Mary Tenney Gray, American editorial writer, philanthropist, and suffragette
- Mary Sophia Gray, alternate name of Sophia Hinerangi, New Zealand tourist guide and temperance leader
- Mary W. Gray, American mathematician
Fictional characters
- Mary Gray, in the 1926 US silent comedy film The American Venus, played by Esther Ralston