2011–12 I liga
The 2011–12 I liga was the 64th season of the second tier domestic division in the Polish football league system since its establishment in 1949 and the 4th season of the Polish I liga under its current title. The league was operated by the Polish Football Association.
The league is contested by 18 teams who competing for promotion to the 2012–13 Ekstraklasa. The regular season was played in a round-robin tournament. The champions and runners-up would receive promotion. The bottom four teams were automatically demoted to the II liga.
Changes from last season
From I liga
Promoted to 2010–11 Ekstraklasa- ŁKS Łódź
- Podbeskidzie Bielsko-Biała
- MKS Kluczbork
- KSZO Ostrowiec Świętokrzyski
- Odra Wodzisław Śląski
- GKP Gorzów Wielkopolski
To I liga
- Arka Gdynia
- Polonia Bytom
- Olimpia Elbląg
- Wisła Płock
- Olimpia Grudziądz
- Zawisza Bydgoszcz
Team overview
Stadiums and locations
| Team | Stadium | Capacity |
| Arka Gdynia | Stadion Miejski | 15,139 |
| GKS Bogdanka | Stadion Górnika Łęczna | 7,200 |
| Dolcan Ząbki | Stadion Dolcanu | 2,100 |
| Flota Świnoujście | Stadion OSiR Wyspiarz | 4,500 |
| GKS Katowice | Stadion GKS Katowice | 9,511 |
| Kolejarz Stróże | Stadion Kolejarza Stróże | 2,000 |
| KS Polkowice | Stadion KS Polkowice | 4,365 |
| Olimpia Elbląg | Stadion Miejski | 7,000 |
| Olimpia Grudziądz | Stadion Centralny | 5,250 |
| Piast Gliwice | Stadion Miejski | 10,037 |
| Pogoń Szczecin | Stadion im. Floriana Krygiera | 18,027 |
| Polonia Bytom | Stadion im. Edwarda Szymkowiaka | 6,000 |
| Ruch Radzionków | Stadion Ruchu Radzionków | 3,000 |
| Sandecja Nowy Sącz | Stadion im. Ojca Władysława Augustynka | 5,000 |
| Termalica Bruk-Bet Nieciecza | Stadion Nieciecza KS | 2,093 |
| Warta Poznań | Stadion Miejski | 41,609 |
| Wisła Płock | Stadion im. Kazimierza Górskiego | 12,800 |
| Zawisza Bydgoszcz | Kompleks Sportowy Zawisza im. Zdzisława Krzyszkowiaka | 20,247 |
- Piast played 2 home games at Stadion MOSiR in Wodzisław Śląski.
- Warta played 3 home games at Stadion im. Edmunda Szyca
Personnel and sponsoring
- Kolejarz displays the charity's logo on their kit.
Managerial changes
League table
Results
Statistics
Top goalscorers
| Rank | Player | Club | Goals |
| 1 |  Wojciech Kędziora | Piast Gliwice | 18 |
| 2 | Arkadiusz Aleksander | Sandecja Nowy Sącz | 16 |
| 3 | Adrian Błąd | Zawisza Bydgoszcz | 14 |
| 3 | Maciej Tataj | Dolcan Ząbki | 14 |
| 5 |  Rubén Jurado | Piast Gliwice | 12 |
| 5 |  Nildo França Júnior | GKS Bogdanka | 12 |
| 5 | Ricardinho | Wisła Płock | 12 |
| 5 | Jakub Świerczok | Polonia Bytom | 12 |
| 7 | Andradina | Pogoń Szczecin | 11 |
| 7 | Wojciech Łuczak | Wisła Płock | 11 |
Hat-tricks
Scoring
- First goal of the season: Dariusz Pawlusiński for Termalica against GKS Katowice
- Fastest goal of the season: 24 seconds – Wojciech Kędziora for Piast Gliwice against Termalica
- Most goals in a game: 8 goals
- *Radzionków 4–4 Polkowice
- Most goals scored in a game by one team: 6 goals
- *Wisła 6–1 Sandecja
- Most goals scored in a match by a losing team: 3 goals
- *Zawisza 4–3 Olimpia G.
- *Elbląg 3–4 Polkowice
- Largest winning margin: 5 goals
- *Katowice 5–0 Polkowice
- *Wisła 6–1 Sandecja
- Widest away winning margin: 4 goals
- *Flota 0–4 Sandecja
- Highest scoring draw: 8 goals
- *Radzionków 4–4 Polkowice
- Most games failed to score in: 17
- *GKS Katowice
- Fewest games failed to score in: 5
- *Pogoń Szczecin
Disciplinary record by team
| Rank | Team | ||
| 1 | Termalica Bruk-Bet Nieciecza | 64 | 3 |
| 2 | Polonia Bytom | 69 | 4 |
| 3 | Ruch Radzionków | 71 | 4 |
| 4 | Arka Gdynia | 75 | 3 |
| 5 | KS Polkowice | 74 | 5 |
| 6 | Wisła Płock | 78 | 4 |
| 7 | Warta Poznań | 75 | 7 |
| 8 | Pogoń Szczecin | 82 | 4 |
| 9 | GKS Katowice | 85 | 5 |
| 10 | Olimpia Grudziądz | 77 | 9 |
| 11 | Piast Gliwice | 81 | 7 |
| 12 | Sandecja Nowy Sącz | 83 | 6 |
| 13 | Flota Świnoujście | 89 | 5 |
| 14 | Dolcan Ząbki | 87 | 7 |
| 15 | Kolejarz Stróże | 81 | 10 |
| 16 | Olimpia Elbląg | 84 | 9 |
| 17 | GKS Bogdanka | 97 | 7 |
| 18 | Zawisza Bydgoszcz | 103 | 5 |
- Most yellow cards : 12 – Arkadiusz Baran, Błażej Jankowski
- Most red cards : 2 – Radosław Bartoszewicz, Jan Buryán, Janusz Dziedzic, Cheikh Niane, Marcin Nowak, Grzegorz Piesio, Michał Renusz, Dawid Szufryn, Wojciech Wilczyński
Clean sheets
- Most clean sheets: 17
- *Termalica Bruk-Bet Nieciecza
- Fewest clean sheets: 3
- *KS Polkowice