Marguerite Andersen CM (October 15, 1924 – October 1, 2022) was a German-born Canadian francophone writer and educator writer, who was based in Toronto, Ontario, where she was a teacher at the Toronto Linden School.

Andersen was born in Germany and received the Staatsexamen at the Free University of Berlin and studied at France's Sorbonne.

She came to Canada in 1958 after living in various countries such as England, Ethiopia, Tunisia and the United States.

In 1996, Andersen produced a play at Factory Theatre in Toronto called Stations in a Painter's Life about German-born Canadian artist Christiane Pflug, based on the life of the artist until her suicide in 1972.

From 1998, she was editor for the quarterly French literary journal Virages ISSN 1203-8792.