| Competition: | First League of the Republika Srpska |
| Season: | 2012–13 |
| Winners: | Mladost (VO) 1st First League title |
| Promoted: | Mladost (VO) |
| Relegated: | Borac Šamac Ljubić |
| Matches: | 182 |
| Total Goals: | 501 |
| League Topscorer: | Dejan Vučić (21 goals) |
| Biggest Home Win: | Sloga Doboj 8–0 Ljubić |
| Biggest Away Win: | Borac (Š) 0–4 Podrinje |
| Highest Scoring: | 8 goals Sloga Doboj 8–0 Ljubić |
| Longest Wins: | 4 matches Kozara Modriča Sloboda (MG) |
| Longest Unbeaten: | 6 matches Sloga |
| Longest Winless: | 10 matches Borac (Š) |
| Longest Losses: | 5 matches Ljubić |
| Prevseason: | 2011–12 |
| Nextseason: | 2013–14 |
The 2012–13 First League of the Republika Srpska is the eighteenth season of the First League of the Republika Srpska, the second tier football league of Bosnia and Herzegovina, since its original establishment and the eleventh as a second-tier league. It will begin on 11 August 2012 and end on 25 May 2013; a winter break where no matches are played will be in effect between 3 November 2012 and 9 March 2013. Radnik were the last champions, having won their third championship title in the 2011–12 season and earning a promotion to Premier League of Bosnia and Herzegovina. This year Mladost Velika Obarska won the championship, the first time they won the First League of the Republika Srpska.
Fourteen clubs are participating in this session, ten returning from the previous session, one relegated from Premier League of Bosnia and Herzegovina, two promoted from two regional Second League of the Republika Srpska and one as a replacement for Crvena Zemlja who withdraw from the competition due to financial difficulties.
Promoted to Premier League
Relegated to one of 2 respective regional Second League of the RS
Relegated from Premier League
Promoted from two regional Second League of the RS
| Team | Location | Stadium[1] | Capacity[2] | |
|---|---|---|---|---|
| Borac | Bosanski Šamac | Gradski Stadion, Šamac | 3,000 | |
| Drina HE | Višegrad | Gradski Stadion, Višegrad | 1,500 | |
| Drina (Z) | Zvornik | Gradski Stadion, Zvornik | 3,000 | |
| Kozara | Gradiška | Gradski Stadion, Gradiška | 5,000 | |
| Ljubić | Prnjavor | Gradski Stadion Borik, Prnjavor | 2,000 | |
| Mladost (G) | Gacko | Gradski Stadion, Gacko | 3,500 | |
| Mladost (VO) | Velika Obarska | Gradski Stadion, Velika Obarska | 1,000 | |
| Modriča | Modriča | Dr. Milan Jelić Stadium | 7,600 | |
| Podrinje | Janja | Podrinje Stadium | 3,000 | |
| Rudar (U) | Ugljevik | Novi Gradski Stadion, Ugljevik | 8,000 | |
| Sloboda (MG) | Mrkonjić Grad | Gradski Stadion Luke, Mrkonjić Grad | 2,000 | |
| Sloboda (NG) | Bosanski Novi | Mlakve Stadium | 4,000 | |
| Sloga | Doboj | Luke Stadium, Doboj | 2,000 | |
| Sutjeska | Foča | Gradski Stadion, Foča | 4,000 |
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 | ||
|---|---|---|---|---|---|---|
| Borac (Š) |  Predrag Lukić | |||||
| Drina HE | Marko Vidaković | Kappa | – | |||
| Drina (Z) | Dragan Mićić | Goran Maksimović | NAAI | – | ||
| Kozara | Miloš Pojić | Srboljub Jandrić | NAAI | – | ||
| Ljubić | Milan Vujasin | Dragomir Prodanović | ||||
| Mladost (G) | Željko Popović | NAAI | ||||
| Mladost (VO) | Miroslav Milanović | |||||
| Modriča | Nikola Nikić | Đorđe Savić | Nike | Modriča Oil Refinery | ||
| Podrinje | Mile Lazarević | Muhamed Jusufović | Legea | |||
| Rudar (U) | Predrag Marić | NAAI | ||||
| Sloboda (MG) | Zoran Dragišić | Draženko Miletić | Bull sports brand | Bull | Hidroelektrane na Vrbasu | HE na Vrbasu |
| Sloboda (NG) | Ljubiša Drljača | Zoran Lukač | Nike | – | ||
| Sloga | Zoran Ćurguz | Joma | Autosalon M&M | |||
| Sutjeska | Darko Nestorović | Asics |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Replaced by | Date of appointment | - | NK xxxxx | Pavel Pavlović | Usually one out of "Sacked", "Resigned", "Mutual agreement" "Signed by ZZZ" or "End of contract" | 22 September 2222 | position on table or presession | Boris Borisov | 1 October 2222[3] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Modriča | Drago Svitlica | Promoted | 12 June 2012 | Off-season | Nikola Nikić | 12 June 2012 | ||||||||
| Sutjeska Foča | Darko Vojvodić | Promoted | 26 June 2012 | Dragan Radović | 26 June 2012 | |||||||||
| Sutjeska Foča | Dragan Radović | Sacked | September 2012 | 11th | Darko Nestorović | 13 September 2012 | ||||||||
| Ljubić | Predrag Šobot | Sacked | December 2012 | 13th | Mile Vujasin | 15 January 2013 |
On 17 July 2012, Crvena Zemlja announced that they will withdraw from the First League of the Republika Srpska due to financial difficulties.[4] There were many proposals who should replace them, but in the end, Ljubić were placed as the replacement. They finished fourth in 2011–12 Second League of the Republika Srpska - West.[5]
For the list of transfers involving First League clubs during 2012–13 season, please see: List of Bosnia and Herzegovina football transfers summer 2012 and List of Bosnia and Herzegovina football transfers winter 2012–13.
Updated 25 May 2013.
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Dejan Vučić | Podrinje | 21 |
| 2 | Neđo Šuka | Mladost (VO) / Sutjeska | 15 |
| 3 | Ljuban Antonić | Sloboda (NG) | 13 |
| 4 | Slaviša Todorović | Rudar Ugljevik | 12 |
| 5 | Mirza Hasanović | Borac Šamac | 10 |
| Zlatko Đorić | Sloga Doboj | ||
| Rajko Ćeranić | Mladost Gacko | ||
 Aleksandar Vasiljević | Mladost (VO) | ||
| Aleksandar Malbašić | Kozara |
Updated 24 March 2013.
| Player | For ! | Against | Result | Date | |
|---|---|---|---|---|---|
| | 4–0 | ||||
| | 5–0 | ||||
| | 5–0 | ||||
| | 4–1 | ||||
| | 5–1 | ||||
| | 4–0 | ||||
| | 4–0 |