2011–12 First League of the Republika Srpska
The 2011–12 First League of the Republika Srpska is the seventeenth season of the First League of the Republika Srpska, the second tier football league of Bosnia and Herzegovina, since its original establishment and the tenth as a second-tier league. It began on 13 August 2011 and ended on 26 May 2012; a winter break where no matches will be played was in effect between 5 November 2011 and 10 March 2012. Kozara were the last champions, having won their first championship title in the 2010–11 season and earning a promotion to Premier League of Bosnia and Herzegovina. This year Radnik won the championship, the third time they won the First League of the Republika Srpska.
14 clubs are participating in this session, eleven returning from the previous session, one relegated from Premier League of Bosnia and Herzegovina and two promoted from two regional Second League of the Republika Srpska.
Changes from last season
Team changes
From First League of the RS
Promoted to Premier League- Kozara
Relegated from Premier League
- Drina
- Crvena Zemlja
- Rudar
Stadia and locations
| Team | Location | Stadium | Capacity |
| Crvena Zemlja | Nova Ves | Ciglana Stadium | 1,000 |
| Drina HE | Višegrad | Gradski Stadion, Višegrad | 1,500 |
| Drina | Zvornik | Gradski Stadion, Zvornik | 3,000 |
| Laktaši | Laktaši | Gradski Stadion, Laktaši | 2,200 |
| Mladost | Gacko | Gradski Stadion, Gacko | 3,500 |
| Modriča | Modriča | Dr. Milan Jelić Stadium | 7,600 |
| Podrinje | Janja | Podrinje Stadium | 3,000 |
| Proleter | Teslić | Radolinka Stadium | 5,000 |
| Radnik | Bijeljina | Gradski Stadion, Bijeljina | 6,000 |
| Rudar | Ugljevik | Novi Gradski Stadion, Ugljevik | 8,000 |
| Sloboda | Mrkonjić Grad | Gradski Stadion Luke | 2,000 |
| Sloboda | Bosanski Novi | Mlakve Stadium | 4,000 |
| Sloga | Doboj | Luke Stadium, Doboj | 2,000 |
| Sutjeska | Foča | Gradski Stadion, Foča | 4,000 |
Personnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.| Team | Manager | Captain | Kit manufacturer | Shirt Sponsor |
| Crvena Zemlja |  Marko Stojić | NAAI | Nektar/Arhing | |
| Drina HE | Marko Vidaković | Kappa | – | |
| Drina | Dragan Mićić | Goran Maksimović | NAAI | – |
| Laktaši | Predrag Tatić | Dukat | ||
| Mladost | Željko Popović | NAAI | ||
| Modriča | Drago Svitlica | Đorđe Savić | Nike | Modriča Oil Refinery |
| Podrinje | Milorad Savić | Muhamed Jusufović | Legea | |
| Proleter | Zoran Dujaković | Legea | – | |
| Radnik | Darko Nestorović | Nenad Kutlačić | Mass | – |
| Rudar | Predrag Marić | NAAI | ||
| Sloboda | Zoran Dragišić | Siniša Radoja | Bull | |
| Sloboda | Predrag Medić | Zoran Lukač | Nike | – |
| Sloga | Zoran Ćurguz | Joma | Autosalon M&M | |
| Sutjeska | Filip Ikonić | Asics |
Managerial changes
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Replaced by | Date of appointment |
New relegation rules
Unlike the last season, this season the Football Federation of the Republika Srpska decided to add relegation play-offs. Along the two last placed clubs in the league table which get relegated, the twelfth ranked team has to play relegation play-offs against the winner of the Second League of the Republika Srpska promotion play-offs which is contested between the two runners-up of the two Second Leagues of the Republika Srpska.League table
Relegation play-offs
as 12th-placed team faced the winner of the promotion play-offs contested between the two runners-up of the two Second Leagues of the Republika Srpska, runner-up of the Second League of the RS - West side Jedinstvo in a two-legged play-off. Sloboda won 5–0 on aggregate and thus were not relegated from the First League of the Republika Srpska. Jedinstvo also remained in their respective league.----