Gaétan Boucher, born May 10 1958 in Charlesbourg, Quebec, Canada, is a Canadian speed skater.

A four-time Olympic medalist, Boucher was awarded the Lou Marsh Trophy as Canada'a outstanding male athlete of 1984. He was named no.10 on the list of Canada's Athletes of the 20th Century. In 1983 he was made a Member of the Order of Canada and was promoted to Officer in 1984.

Boucher was also Canadian Superstars champion in 1981.