1985–86 Tennis Borussia Berlin season

The 1985–86 season was the sixth time Tennis Borussia Berlin played in the 2. Fußball-Bundesliga, the second highest tier of the German football league system. After 38 league games, Tennis Borussia finished 19th and were relegated. The club also lost in the first round of the DFB-Pokal; going out 1–0 away to Alemannia Aachen. Peter Fraßmann scored 8 of the club's 48 league goals.