The 2009–2010 season was Sarajevo's 64th season in existence, and their 10th consecutive season in the top flight of Bosnian football, the Premier League of BiH. Besides competing in the Premier League, the team competed in the National Cup and the qualifications for UEFA Europa League. During the season club changed the managers. Mirza Varešanović become the Sarajevo's manager on 7 April 2010, after Mehmed Janjoš left the position on 28 March. During the transition period, Almir Turković, assistant coach of Mehmed Janjoš, was positioned as the head coach. The season covers the period from 25 June 2009 to 24 June 2010.