The 1965 UAAP men's basketball tournament was the 28th year of the men's tournament of the University Athletic Association of the Philippines (UAAP)'s basketball championship. Hosted by University of Santo Tomas, the UE Warriors defeated the UST Glowing Goldies two games to one in the best of three finals series taking their sixth overall UAAP men's basketball championship. The finals featured two future inductees to the PBA 25 Greatest Players and Hall of Fame: Danilo Florencio of UST and Robert Jaworski of UE.