| Competition: | Premijer Liga |
| Season: | 2008–09 |
| Winners: | Zrinjski 2nd Premier League title 2nd Bosnian title |
| Relegated: | Orašje Posušje |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Zrinjski |
| Continentalcup2: | Europa League |
| Continentalcup2 Qualifiers: | Sarajevo Široki Brijeg Slavija (via domestic cup) |
| League Topscorer: | Darko Spalević (17 goals) |
| Biggest Home Win: | Velež 6–0 Modriča |
| Biggest Away Win: | Posušje 0–3 Borac Posušje 0–3 Čelik |
| Highest Scoring: | Velež 5–3 Zvijezda |
| Matches: | 240 |
| Total Goals: | 611 |
| Prevseason: | 2007–08 |
| Nextseason: | 2009–10 |
The 2008–09 Premier League of Bosnia and Herzegovina (Bosnian: Premijer Liga) was the ninth season since its establishment and the seventh as a unified country-wide league. It started on 2 August 2008 and ended on 23 May 2009. Modriča were the defending champions.
Jedinstvo Bihać and Žepče were relegated after the 2007–08 season due to finishing in 15th and 16th place, respectively.
They were replaced by the champions of two second-level leagues, Zvijezda Gradačac (Prva Liga BiH) and Borac Banja Luka (Prva Liga RS).
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Darko Spalević | Slavija | 17 |
| 2 |  Krešimir Kordić | Zrinjski | 13 |
| 3 | Mladen Bojić | Modriča | 10 |
 Damir Smajlović | Zvijezda | ||
| Adis Obad | Velež | ||
| 6 | Zoran Kokot | Slavija | 9 |
| Emir Hadžić | Čelik | ||
 Phil Jackson | Čelik | ||
| Dalibor Šilić | Široki Brijeg |