1985–86 ACB season

ACB Primera División
Season1985–86
Games played257
Teams16
Regular season
RelegatedCajamadrid
Claret Las Palmas
Licor 43
Finals
ChampionsReal Madrid
3rd ACB title
25th Spanish title
Runners-upFC Barcelona
SemifinalistsRon Negrita Joventut
CAI Zaragoza

The 1985–86 ACB season was the 3rd season of the ACB Primera División, the top Spanish professional basketball league. It started on 21 September 1985 with the first round of the regular season and ended on 10 May 1986 with the finals.

Real Madrid won their third consecutive ACB title, and their 25th Spanish title.