Jan Kirchhoff (born 1 October 1990) is a German footballer who plays for 1. FSV Mainz 05. He made his professional debut in the 2. Bundesliga for 1. FSV Mainz 05 on 2 November 2008, when he started in a game against Rot Weiss Ahlen. He has been regarded as one of the most talented defenders in the Bundesliga.