Joyce Yakubowich (née Sadowick; born 29 May 1953) is a Canadian former track and field sprinter who competed mainly in the 200 metres and 400 metres. She was the 400 m gold medallist at the 1975 Pan American Games, where she also won relay medals. She twice represented Canada at the Summer Olympics (1972, 1976) and was a three-time Canadian national sprint champion.