| Competition: | Slovenian First League of Handball |
| Season: | 2011–12 |
| Winners: | Gorenje |
| Relegated: | Šmartno Loka |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Gorenje Celje |
| Continentalcup2: | EHF Cup |
| Continentalcup2 Qualifiers: | Koper Maribor |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
The 2011–12 Slovenian First League was the 21st season of the 1. A liga, Slovenia's premier handball league. RD Loka withdrew after 11 rounds.
| Team | Location | Stadium | Capacity | |
|---|---|---|---|---|
| Celje | Celje | Zlatorog Arena | 5,500 | |
| Gorenje | Velenje | Red Hall | 3,000 | |
| Koper | Koper | Bonifika Hall | 3,200 | |
| Krka | Novo Mesto | Marof Hall | 2,000 | |
| Krško | Krško | Sports Hall Krško | 800 | |
| Maribor Branik | Maribor | Tabor Hall | 3,261 | |
| Jeruzalem Ormož | Ormož | Hardek Hall | 600 | |
| Izola | Izola | Sports Hall Izola | 1,000 | |
| Ribnica | Ribnica | Sports Centre | 1,000 | |
| Šmartno | Šmartno pri Litiji | Pungrt Hall | 700 | |
| Trimo Trebnje | Trebnje | OŠ Trebnje Hall | 1,000 |
| Team | Pld | W | D | L | GF | GA | Diff | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 20 | 19 | 1 | 0 | 700 | 519 | +181 | 39 | ||
| 2 | 20 | 16 | 1 | 3 | 639 | 488 | +151 | 33 | ||
| 3 | 20 | 14 | 1 | 5 | 637 | 552 | +85 | 29 | ||
| 4 | 20 | 11 | 0 | 9 | 565 | 546 | +19 | 22 | ||
| 5 | 20 | 7 | 3 | 10 | 587 | 584 | +3 | 17 | ||
| 6 | 20 | 8 | 1 | 11 | 493 | 556 | –63 | 17 | ||
| 7 | 20 | 6 | 2 | 12 | 486 | 556 | –70 | 14 | ||
| 8 | 20 | 5 | 3 | 12 | 532 | 577 | –45 | 13 | ||
| 9 | 20 | 5 | 3 | 12 | 561 | 605 | –44 | 13 | ||
| 10 | 20 | 4 | 4 | 12 | 560 | 645 | –85 | 12 | ||
| 11 | 20 | 3 | 5 | 12 | 524 | 656 | –132 | 11 |
| Champion Playoff | ||
| Relegation Round |
| Team | Pld | W | D | L | GF | GA | Diff | Pts | Qualification | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | 10 | 0 | 0 | 331 | 272 | +59 | 59 | 2012–13 EHF Champions League group stage | |
| 2 | 10 | 6 | 1 | 3 | 302 | 262 | +40 | 46 | ||
| 3 | 10 | 7 | 0 | 3 | 305 | 275 | +30 | 43 | 2012–13 EHF Champions League wild card tournament | |
| 4 | 10 | 3 | 0 | 7 | 280 | 317 | –37 | 28 | ||
| 5 | 10 | 3 | 1 | 6 | 300 | 312 | –12 | 24 | 2012–13 EHF European Cup second qualifying round | |
| 6 | Krško | 10 | 0 | 0 | 10 | 255 | 335 | –80 | 17 |
In the table below the home teams are listed on the left and the away teams along the top.
| width=200 | width=60 | CEL | width=60 | VEL | width=60 | KOP | width=60 | KRŠ | width=60 | MAR | width=60 | TRE | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Celje | 25–33 | 24–23 | 33–23 | 35–21 | 35–22 | ||||||||
| Gorenje | 34–31 | 27–25 | 31–22 | 33–29 | 37–27 | ||||||||
| Koper | 29–24 | 29–31 | 37–28 | 34–30 | 31–24 | ||||||||
| Krško | 21–32 | 30–39 | 22–26 | 26–33 | 26–27 | ||||||||
| Maribor Branik | 29–29 | 28–35 | 33–34 | 39–29 | 29–27 | ||||||||
| Trimo Trebnje | 27–34 | 26–31 | 32–37 | 38–28 | 30–29 |
| Team | Pld | W | D | L | GF | GA | Diff | Pts | Relegation | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 8 | 8 | 0 | 0 | 264 | 222 | +42 | 28 | |||
| 2 | 8 | 6 | 0 | 2 | 257 | 237 | +20 | 25 | |||
| 3 | 8 | 3 | 0 | 5 | 230 | 229 | +1 | 19 | |||
| 4 | Izola | 8 | 2 | 0 | 6 | 231 | 244 | –13 | 18 | ||
| 5 | Šmartno | 8 | 1 | 0 | 7 | 215 | 265 | –50 | 13 | Relegation to the 2012–13 Slovenian Second League |