Nancy Mackay (née Murrall, 16 May 1922 – 4 January 2024) was a Canadian sprinter.

She missed the 1940 Olympics due to World War II, and was selected as a reserve for the 1948 Games.

[1] Mackey died at home in Bowmanville, Ontario on 4 January 2024, at the age of 101.

At the time of her death, she was the oldest Canadian Summer Olympic medalist, a status passed onto then 95-year-old Tom Gayford.

This biographical article relating to Canadian athletics and track and field is a stub.