Denny Walter Felsner (born April 29, 1970) is an American former professional ice hockey winger.
Felsner was born in Warren, Michigan. As a youth, he played in the 1982 Quebec International Pee-Wee Hockey Tournament with a minor ice hockey team from Detroit. He is the brother of hockey player, Brian Felsner.
He played college hockey for the Michigan Wolverines. After turning professional, he played for the St. Louis Blues in the NHL; the Peoria Rivermen, Chicago Wolves, Milwaukee Admirals, and the Detroit Vipers of the IHL; the Syracuse Crunch of the AHL; and the Chesapeake Icebreakers and Jackson Bandits of the ECHL.