Ann-Marie MacDonald OC (born October 29, 1958) is a Canadian playwright, author, actress, and broadcast host who lives in Toronto, Ontario.

MacDonald is the daughter of a member of Canada's military; she was born at an air force base near Baden-Baden, West Germany.

[1] MacDonald won the Commonwealth Writers Prize for her first novel, Fall on Your Knees (1996),[2] which was selected for Oprah Winfrey's Book Club in January 2002.

[7] She was the inaugural Mordecai Richler Reading Room Writer in Residence at Concordia University,[8] and she coaches students in the Acting and Playwriting Programs at the National Theatre School of Canada.

[11] In 2019, MacDonald was diagnosed with seronegative rheumatoid arthritis, which affected every aspect of her life, including work.