Mary Webster

Mary Webster may refer to:


 * Mary Webster (alleged witch), accused of witchcraft in the 1680s in Puritan Hadley, Massachusetts
 * Mary Webster (British actress) (1935–2014), British actress
 * Mary Webster (American actress) (1935–2017), American actress
 * Mary Comer Webster (1928–2008), American political strategist
 * Mary Morison Webster (1894–1980), Scottish-born novelist and poet
 * Mary Hortense Webster (1881–1965), sculptor
 * Mary McCallum Webster (1906–1985), British botanist
 * Mary Clark Webster, member of the Maine House of Representatives