2011–12 1. FC Union Berlin season

FC Union Berlin season was the 106th season in the club's history.

The club competed in the 2.

Bundesliga, the second tier of German football; it was the club's third consecutive season in the league, following promotion from the 3.

Union Berlin finished 7th.

The club also competed in the DFB-Pokal but were eliminated in the first round by Rot-Weiss Essen.