UAAP Season 43 men's basketball tournament

1980 UAAP season
Host schoolUniversity of the Philippines Diliman
Men's tournament
Champions FEU Tamaraws
First runner-up UST Growling Tigers
Winning coachTuro Valenzona

UAAP Season 43 men's basketball tournament is the 1980 season of the University Athletic Association of the Philippines, which was hosted by the University of the Philippines Diliman. The opening of the 1980-1981 edition of the UAAP takes place on July 20, 1980 at the Loyola Center.

Participated by its seven schools, University of the Philippines, University of Santo Tomas, University of the East, Far Eastern University, Adamson University, National University and Ateneo de Manila University.