Christian Gentner is a German professional football official and a former player who played as a midfielder. He works as a head of the professional player department at VfB Stuttgart. He won the Bundesliga twice, with VfB Stuttgart in 2007 and VfL Wolfsburg in 2009. He was also called up five times to the senior Germany national team.

1. Fußballclub Union Berlin e. V., commonly known as 1. FC Union Berlin or Union Berlin, is a professional German football club based in Köpenick, Berlin.