The 2011–12 Ekstraklasa (also known as T-Mobile Ekstraklasa due to its sponsorship by T-Mobile Polska) was the 78th season of the highest level of football leagues in Poland since its establishment in 1927. It started on 29 July 2011 and concluded on 6 May 2012. A total of 16 teams participated, 14 of which competed in the league during the 2010–11 season, while the remaining two were promoted from the 2010–11 season of the I Liga. Each team played a total of 30 matches, half at home and half away.
Śląsk Wrocław won the title, which marked their 2nd title in Ekstraklasa history.
Source: 90minut.pl(in Polish) Rules for classification: 1) points; 2) head-to-head points; 3) head-to-head goal difference; 4) head-to-head goals scored; 5) goal difference; 6) number of goals scored; 7) Fair Play table. Head-to-head record is used only after all the matches between the teams in question have been played[8] (C) Champions; (R) Relegated Notes:
^ abAs the winners of the 2011–12 Polish Cup, Legia qualified for the second qualifying round of the 2012–13 UEFA Europa League. Since they finished third in the league, the fourth-placed team of the league also qualified for the Europa League.