Christian Gentner (born 14 August 1985) is a German professional footballer who plays as a midfielder for Union Berlin.
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.
Before joining VfB Stuttgart, Gentner played at TSV Beuren and VfL Kirchheim.
In the 2004–05 season, he played 28 times and scored six times for the Regionalliga (third division) team of VfB Stuttgart. In the same season, he had his Bundesliga debut against Hertha BSC on 20 February 2005 (1–0). He scored his first goal in a UEFA Cup game against Domžale on 25 September 2005.
In 2006, Gentner’s contract in Stuttgart was extended until 2010.
On 18 July 2007, he was loaned to VfL Wolfsburg until summer 2009 and on 11 August 2008 Gentner signed a permanent deal with Wolfsburg.
On 8 January 2010, Gentner announced that he would be joining VfB Stuttgart at the end of the season. After seeing out his contract with the Wolves which ended on 1 July 2010, Gentner returned to Stuttgart on a free transfer.
On 6 January 2013, Gentner extended his contract with VfB Stuttgart until June 2016 with an option for a further year. Following Serdar Tasci’s departure to Spartak Moscow, it was announced that Gentner is to be his successor as the new club captain. In May 2016 Gentner extended his contract with VfB Stuttgart until June 2019.
On 5 July 2019, Gentner signed a contract with club Union Berlin.