Holger Felix Badstuber (; born 13 March 1989) is a German footballer who plays as a centre back for VfB Stuttgart and the German national team. He is primarily a centre back, although he is a capable left back. He made his debut in the 2009–10 season in the Bundesliga, at the age of 19, playing nearly every game that year and helped the club win the league and cup double and reached the Champions League final that same year, before eventually earning a call up to the World Cup in 2010. Former Bayern Munich coach Louis van Gaal stated that he is the best left footed defender in Germany.
From 2002 to 2007, he progressed through the youth setup at Bayern Munich. He played for Bayern's reserve team before signing professional terms in July 2009. He had scored four goals in 23 appearances in the Regionalliga Süd during the 2007–08 season and three goals in 32 appearances in the 3. Liga during the 2008–09 season. Badstuber, along with teammate Thomas Müller, having been an unused substitute in a number of first-team matches in the 2008–09 season. He made his debut in the first league game of the 2009–10 season, against 1899 Hoffenheim and has been a regular in defence. He scored his first senior goal, a powerful free kick, against Borussia Mönchengladbach on 4 December 2009. A centre back by trade, he has been playing out of position at left back. The youngster impressed in his first season, and started all league games in the 2009–10 domestic campaign.