| Competition: | Slovenian Second League |
| Season: | 2011–12 |
| Winners: | Aluminij |
| Promoted: | Aluminij |
| Relegated: | Interblock |
| League Topscorer: | Goran Vuk (16 goals) |
| Biggest Home Win: | Aluminij 8–1 Šmartno 1928 |
| Biggest Away Win: | Dravinja 1–5 Aluminij Šampion 0–4 Interblock Dob 0–4 Šenčur |
| Highest Scoring: | Radomlje 8–2 Dravinja |
| Matches: | 135 |
| Total Goals: | 362 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
The 2011–12 Slovenian Second League season started on 6 August 2011 and ended on 19 May 2012. Each team played a total of 27 matches.
| Club | Location | Stadium | |
|---|---|---|---|
| Aluminij | Kidričevo | Aluminij Sports Park | |
| Bela Krajina | Črnomelj | ŠRC Loka | |
| Dob | Dob | Dob Sports Park | |
| Dravinja | Slovenske Konjice | Dobrava Stadium | |
| Interblock | Ljubljana | ŽŠD Ljubljana | |
| Krško | Krško | Matija Gubec Stadium | |
| Radomlje | Radomlje | Radomlje Sports Park | |
| Šampion | Arena Petrol | ||
| Šenčur | Šenčur | Šenčur Sports Park | |
| Šmartno 1928 | Šmartno ob Paki | Šmartno Stadium |