Dorothy Kozak (17 April 1932 – 14 June 2009) was a Canadian sprinter. She competed in the women's 4 ÃÂ 100 metres relay at the 1956 Summer Olympics. At the 1954 British Empire and Commonwealth Games, Kozak competed in the 100 yards not progressing past the heats and the 4ÃÂ110 yards relay winning a bronze medal with Annabelle Murray, Geraldine Bemister and Margery Squires.