Marjorie Blackwood-Schelling (born 1 May 1957)[1] is a Canadian retired tennis player.

Partnering the Australian Susan Leo, she reached the doubles quarter-finals at Wimbledon in 1981 and 1982, and with Pam Whytcross, also Australian, the French Open in 1980.

[3] Born to a Canadian government officer in Karachi, she grew up in Detroit and Ottawa and attended the University of Texas.

[4] She was inducted into the Lisgar Collegiate Institute Athletic Wall of Fame in 2018.

This biographical article relating to Canadian tennis is a stub.