Myrna Jean McKay (born January 12, 1949 in Kerrobert, Saskatchewan; died May 30, 2018 in Crossfield, Alberta) was a Canadian curler.
She was a 1981 World women's silver medallist and 1981 Scott Tournament of Hearts champion.
McKay grew up in Red Deer Lake and Calgary, and later moved to Crossfield.
In addition to her success in curling, she won a silver meda in fast-pitch as part of team Alberta at the 1969 Canada Summer Games.