Claude Lamy is a Canadian former swimmer of the 1980s.
Lamy, a native of Quebec, was predominantly a freestyle swimmer and trained with Université Laval. He was a member of the gold medal-winning relay team at the 1986 Commonwealth Games in Edinburgh, swimming in the heats. At the 1987 Pan American Games in Indianapolis, Lamy claimed a bronze medal in the 50 m freestyle and won two relay silver medals. He came sixth in the 50 m freestyle at the 1987 Summer Universiade in Zagreb.