The 2009–10 Premier League of Bosnia and Herzegovina (or just Premijer Liga) was the tenth season since its establishment and the eighth as a unified country-wide league.
It began on 1 August 2009 and will end in May 2010.
Zrinjski Mostar were the defending champions.
Relegated after last year's season were 16th-placed NK Posušje and 15th-placed HNK Orašje.
They were replaced by the champions of the two second-level leagues, Olimpik Sarajevo (Prva Liga BiH) and Rudar Prijedor (Prva Liga RS).