The 2012–13 Fortuna Düsseldorf season is the 118th season in the club's football history. In 2012–13 the club plays in the Bundesliga, the top tier of German football. It is the clubs first season back in this league, having been promoted from the 2. Bundesliga in 2012. Fortuna Düsseldorf beat Hertha BSC in the Promotion/Relegation Playoff to earn a spot in the 2012–13 Bundesliga season. The sports court and the Federal Court of the German Football Association (DFB) confirmed the club's promotion after Hertha BSC appealed the result of the second leg and lost on both accounts.