Mary Douglas (disambiguation)

Mary Douglas (1921–2007) was a British anthropologist.

Mary Douglas may also refer to:
 * Mary Alice Douglas (1860–1941), English headmistress
 * Mary Peacock Douglas (1903–1970), American librarian and author
 * Mary Douglas, 6th Countess of Buchan, wife of James Erskine, 6th Earl of Buchan