UAAP Season 49 men's basketball tournament
| Host school | National University | ||||||||||||
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| Duration | October 25-27, 1986 | ||||||||||||
| Arena(s) | ULTRA | ||||||||||||
| Winning coach | Joe Lipa (1st title) | ||||||||||||
| TV network(s) | IBC, PTV | ||||||||||||
The 1986 UAAP men's basketball tournament was the 49th year of the men's tournament of the University Athletic Association of the Philippines (UAAP)'s basketball championship. Hosted by National University, the UP Fighting Maroons defeated the UE Red Warriors in the finals taking their first UAAP men's basketball championship in 47 years. Prior to the start of the season, De La Salle University was admitted as the eighth member school of the league.