The 2015 UST Growling Tigers men's basketball team represented University of Santo Tomas in the 78th season of the University Athletic Association of the Philippines. The men's basketball tournament for the school year 2015-16 began on September 5, 2015 and the host school for the season was the University of the Philippines. UST recorded the most three point shots made in the season with 89 for a league-best 31% field goal percentage. They also held the highest free throw conversion of 68.4% among all teams.