Adrian Aucoin (born July 3 1973, in Ottawa, Ontario) is a professional Ice Hockey Defenseman in the NHL, playing for the New York Islanders.

Aucoin has played his last 2 seasons with the Islanders, and has also played for the Tampa Bay Lightning, and the Vancouver Canucks. He was drafted in 1992 by Vancouver. His best season was 2002-03 when he had 35 points.