Maureen Kathleen Stewart Forrester (July 25, 1930 – June 16, 2010) was a Canadian operatic contralto. Maureen Forrester was born and grew up in Montreal, Quebec, one of four children of Thomas Forrester, a Scottish cabinetmaker, and his Irish-born wife, the former May Arnold.

She sang in church and radio choirs. At age 13, she dropped out of school to help support the family, working as a secretary at Bell Telephone. When her brother came home from the war he persuaded her to take singing lessons.