Mary Clark (born 1936) is a Canadian architect.
Clark then worked for firms in North Bay and Toronto.
From 1969 to 1972, she worked independently and then was a research coordinator for a land use study by James Weller.
During the 1980s and 1990s, she worked as an archival researcher for the project "For the Record: The First Women in Canadian Architecture".
In 1986, she began practising in Nunavut, Clark retired from practice in 2000.