1986–87 ACB season

ACB Primera División
Season1986–87
Games played262
Teams16
Regular season
RelegatedLeche Rio Breogán
Clesa Ferrol
Finals
ChampionsFC Barcelona
1st ACB title
4th Spanish title
Runners-upRon Negrita Joventut
SemifinalistsCAI Zaragoza
Real Madrid

The 1986–87 ACB season was the 4th season of the ACB Primera División, the top Spanish professional basketball league. It started on 13 September 1986 with the first round of the regular season and ended on 25 April 1987 with the finals.

FC Barcelona won their first ACB title, and their fourth Spanish title.