| Competition: | First League of the Republika Srpska |
| Season: | 2009–10 |
| Winners: | Drina (Z) 1st First League title |
| Promoted: | Drina (Z) |
| Relegated: | Romanija Ljubić Sloga (T) |
| Matches: | 182 |
| Total Goals: | 437 |
| League Topscorer: | Filip Vujić (14 goals) |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009–10 First League of the Republika Srpska was the 15th since its establishment.
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