Daniel Patrick Trebil (born April 10, 1974) is an American former professional ice hockey player who played in the NHL with the Mighty Ducks of Anaheim, Pittsburgh Penguins, and St. Louis Blues between 1996 and 2001. He played defense and shot right-handed. Trebil signed with Stockholm-based Hammarby IF in Allsvenskan, Sweden's second-tier hockey league, in 2001. He played briefly with the team, appearing in 18 games, before retiring from hockey.