The season began on 20 August 2011 and ended on 9 June 2012.
* Ljubljana and Portorož Piran were excluded after the 2010–11 season, their places were taken by Zagorje and Izola.
دوري كرة القدم السلوفيني الدرجة الثالثة 2011–12 هو موسم من . فاز فيه NK Zavrč . (ar)
The season began on 20 August 2011 and ended on 9 June 2012.
* Ljubljana and Portorož Piran were excluded after the 2010–11 season, their places were taken by Zagorje and Izola. (en)