2011–12 Croatian Second Football League
The 2011–12 Druga HNL was the 21st season of Croatia's second level football competition since its establishment in 1992. HNK Gorica were league champions and earned a place in Croatia's first division, which was later denied after getting their top level license revoked. Second placed NK Lučko were the only promoted team at the end of the previous season. The competition started on 19 August 2011 and ended on 20 May 2012.
Format
The league was contested by 15 teams. Only Lučko were granted top level license, Gorica's license was revoked after appeal from Istra 1961. Third placed Pomorac unsuccessfully tried to obtain it through arbitration. Only two teams from Treća HNL were granted license for competing in the Druga HNL, but only Radnik Sesvete was promoted as Segesta didn't finish the season within top five places.Changes from last season
The following clubs have been promoted or relegated at the end of the 2010–11 season:From 2. HNL
Promoted to 1. HNLRelegated to 3. HNL
To 2. HNL
Relegated from 1. HNLPromoted from 3. HNL
Clubs
| Club | City / Town | Stadium | 2010-11 result | Capacity |
| Croatia Sesvete | Zagreb | Stadion Mladina | 11th in 1. HNL | 3,500 |
| Dugopolje | Dugopolje | Stadion Hrvatski vitezovi | 8th in 2. HNL | 5,200 |
| Gorica | Velika Gorica | Stadion Radnika | 1st in 2. HNL | 8,000 |
| HAŠK | Zagreb | Stadion na Peščenici | 13th in 2. HNL | 800 |
| Hrvatski Dragovoljac | Zagreb | Stadion NŠC Stjepan Spajić | 16th in 1. HNL | 5,000 |
| Imotski | Imotski | Stadion Gospin dolac | 5th in 2. HNL | 4,000 |
| Junak Sinj | Sinj | Gradski stadion Sinj | 9th in 2.HNL | 3,000 |
| Marsonia 1909 | Slavonski Brod | Stadion Stanko Vlajnić-Dida | 12th in 2. HNL | 10,000 |
| Međimurje | Čakovec | Stadion SRC Mladost | 7th in 1. HNL | 8,000 |
| Mosor | Žrnovnica | Stadion Pricvić | 14th in 2. HNL | 2,000 |
| Pomorac | Kostrena | Stadion Žuknica | 3rd in 2. HNL | 3,000 |
| Radnik Sesvete | Zagreb | Sv. Josip Radnik | 1st in 3. HNL - West | 1,200 |
| Rudeš | Zagreb | ŠC Rudeš | 4th in 2. HNL | 1,000 |
| Solin | Solin | Stadion pokraj Jadra | 6th in 2. HNL | 4,000 |
| Vinogradar | Jastrebarsko | Stadion Mladina | 10th in 2. HNL | 2,000 |
League table
Top goalscorers
The top scorers in the 2011–12 Druga HNL season were:| Rank | Name | Club | Goals | Apps | Minutes played |
| 1 |  |