Mary Margaret Haugen (born January 14, 1941) is an American politician.

From 1982 to 1992, Haugen served in the Washington House of Representatives.

Before that, she served three terms as a member of the Stanwood School Board.

Haugen is married and lives on Camano Island.

In the 2012 race for her State Senate seat, Haugen lost by 5% to Republican Barbara Bailey.