Christopher Trimmel (born 24 February 1987) is an Austrian professional footballer who plays as a right-back or wing-back for Bundesliga club Union Berlin, whom he captains, and the Austria national team.

Trimmel signed with Rapid in 2008, and initially played for the amateurs, but quickly managed to receive a place in the first-team squad.

On 2 August 2009, in his sixth league game, he scored a hat-trick in only six minutes in a 5–1 victory over Austria Kärnten.

The record was previously held by Michael Konsel, who was 34 years and 189 days old when he made his debut for Rapid in 1996.

[5][6] On 5 August 2009, it was announced that Trimmel was a part of the national team squad for the upcoming friendly match against Cameroon.