The 2011–12 I-League was the fifth season of the I-League. The season began in October 2011 and ended in May 2012. Salgaocar are the defending champions, having won their maiden title in the previous season. The current edition has a total of 14 teams contesting for the honors. These include the top twelve teams from the 2010–11 season along with the two promoted sides, Shillong Lajong and Sporting Clube de Goa, who had been the winner and the runner-up in the 2011 I-League 2nd Division respectively.