Mary Henderson
Mary Henderson may refer to:
- Mary Henderson Eastman (1818–1887), American author
- Mary Foote Henderson (1846–1931), American author, real estate developer, and social activist
- Mary H. J. Henderson (1874 –1938), World War I Scottish Women's Hospital administrator, suffragist and war poet
- Mary Ellen Henderson, African-American educator and civil rights activist
- Mary Henderson (journalist), Greek-born British journalist and host