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.
Teams information
Regular season
Standings
Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.
Championship play-offs
Standings
Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.
Results
In the table below the home teams are listed on the left and the away teams along the top.
Relegation round
Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.