Serdar Tasci (Turkish: Taşçı, ; German: ) (born 24 April 1987) is a German professional footballer who plays as a centre-back .
Tasci started his career with VfB Stuttgart in 2006, playing with the club until 2013; captaining the side from 2011; making 181 senior appearances; and helping VfB win the 2006–07 Bundesliga. An injury in his first season at new club, Spartak Moscow, kept him out of action for a large part of the 2013–14 season. He was capped 14 times for Germany from 2008 to 2010, including the 2010 FIFA World Cup, at which Germany came third.
Tasci was born in Esslingen, Baden-Württemberg, Germany, to Turkish parents from Artvin. He started playing football when he was six; he then played for the youth teams of SC Altbach, Stuttgarter Kickers and VfB Stuttgart. Before the 2005–06 season, he joined Stuttgart's second team, playing in the Regionalliga (third division), helping them win the German B-Junior Championship and German A-Junior Championship.