Marguerite Lazarus, née Jackson (born 1 May 1916 in Durham, England – d. 24 September 2004 in North Yorkshire, England) was a British writer. She started writing children's fiction as Marguerite J. Gascoigne, and later romance novels under the pseudonym of Anna Gilbert. Her novel The Look of Innocence won in 1976 the Romantic Novel of the Year Award by the Romantic Novelists' Association.