Mary Butler

Mary Butler may refer to:


 * Lady Mary Butler (1689–1713), Irish-born English baroness; second daughter of the 2nd Duke of Ormonde
 * Mary Anne Butler, Australian playwright
 * Mary Butler, Duchess of Ormonde (1664–1733), Irish duchess
 * Mary Butler Lewis (1903–1970), American anthropologist and archeologist
 * Mary Butler (politician) (born 1963), Irish politician
 * Mary E.L. Butler (1874–1920), Irish writer and Irish-language activist
 * Mary Hawkins Butler (born 1953), American mayor of Madison, Mississippi
 * Mary Joseph Butler (1641–1723), Irish abbess