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 the majority of the 1996–1997 season with the Baltimore Bandits of the AHL while also making his NHL debut with the Mighty Ducks, appearing in 29 games and scoring 6 points.

For the 1999–2000 season Trebil played 52 games with the Cincinnati Mighty Ducks, scoring 28 points.

After signing with the New York Islanders for the 2000–2001 season Trebil was quickly traded back to the Penguins.

Trebil signed with Stockholm-based Hammarby IF in Allsvenskan, Sweden's second-tier hockey league, in 2001.