Martha Stewart Leitch (June 27, 1918 – December 20, 2015) was a Canadian architect who graduated from the University of Toronto and later served as its Dean of Engineering.^[1]

Preferring to be known as "Marty", Leitch graduated with a Bachelors in Architecture from the University of Toronto and attended University of Cambridge for advanced studies after being chosen as a Commonwealth Scholar.^[1] She achieved Professional Engineer standing while teach at the University of Toronto and eventually became Dean of Engineering where she was a mentored hundreds of students over the span of her career.^[1]

Leitch entered into a profession of architecture and construction that was traditionally difficult for women, however she was adamant in staying in these professions "come hell or high water".^[2] During her career, she founded a civil engineering firm with her husband, acted as a lecturer, assistant professor, and Dean at the University of Toronto, became a fellow at the Royal Architectural Institute of Canada, and was member of the Ontario Association of Architects.^[3]