Margaret Barnes may refer to:
- Margaret Ayer Barnes (1886–1967), American playwright, novelist and short-story writer
- Margaret Anne Barnes (1927–2007), American writer
- Margaret Barnes (marine biologist) (1919–2009), British marine biologist
- Margaret Barnes of Westminster (16th-century), English tavern keeper, known as Long Meg of Westminster
- Margaret Barnes (javelin thrower) (born 1920), American javelin thrower, runner-up at the 1938 USA Outdoor Track and Field Championships
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: