2011–12 Tercera División

The 2011–12 Tercera División was the fourth tier of football in Spain. Play started on 19 August 2011 and the season ended on 24 June 2012 with the promotion play-off finals.

Overview
There were 363 clubs competing in Tercera División (Third division) in the 2011–12 season, divided into 18 regional groups, accommodating between 19 and 22 clubs.

The following clubs finished as champions of their respective groups

The 18 group champion clubs participated in the Group winners promotion play-off and the losers from these 9 play-off ties then proceeded to the Non-champions promotion play-off with clubs finishing second third and fourth.