The 2011–12 Segunda División season (known as the Liga Adelante for sponsorship reasons) was the 81st since its establishment.

The first matches of the season were played on 26 August 2011 after the Association of Spanish Footballers (AFE) called a strike,[1] the regular league ended on 3 June 2012, while the entire season ended on 16 June 2012 with the promotion play-off finals.

The first red card of the season was given to Richy from Girona in their opening game against Elche.

The teams which were relegated the previous season were Salamanca, Tenerife, Ponferradina and Albacete.

This ranking takes into account aspects[7] such as cards, suspension of matches, audience behaviour and other penalties.