Denis Gilles Dupéré (June 21, 1948 – April 14, 2019) was a Canadian professional ice hockey left winger.

He played for the Toronto Maple Leafs, Washington Capitals, St. Louis Blues, Kansas City Scouts, and Colorado Rockies of the National Hockey League between 1970 and 1978.

After being named the Capitals' first representative to the NHL All-Star game, he was traded to the St. Louis Blues.

The Blues traded him to the Kansas City Scouts the following season, and he would remain with the organization, including after its move to Colorado, until his retirement in 1978.

This biographical article relating to a Canadian ice hockey winger born in the 1940s is a stub.