NCAA Season 91 basketball tournaments

NCAA Season 91
Host schoolMapua Institute of Technology
Men's Finals G1 G2G3
(OT)
Wins
 San Beda Red Lions 90 68821
 Letran Knights 94 61852
DurationOctober 23–29, 2015
Arena(s)Mall of Asia Arena
Finals MVPMark Cruz
Winning coachAldin Ayo (1st title)
Semifinalists Mapúa Cardinals
 JRU Heavy Bombers
TV network(s)ABS-CBN Sports and Action, Balls, Balls HD
Juniors' Finals G1 G2G3Wins
 San Beda Red Cubs 76 68702+1
 Arellano Braves 68 72611
DurationOctober 23–29, 2015
Arena(s)Mall of Asia Arena
Finals MVPEvan Nelle
Winning coachJB Sison (3rd title)
Semifinalists Malayan Red Robins
 La Salle Green Hills Greenies

The basketball tournaments of NCAA Season 91 were the Philippines' National Collegiate Athletic Association tournaments for the current season. The Mapua Institute of Technology hosted the season, started with an opening ceremony held on June 27, 2015, at the Mall of Asia Arena followed by a double-header. Games are expected to be followed at the Filoil Flying V Arena in San Juan, with two seniors and juniors games. The men's games are aired live by ABS-CBN Sports and Action and in High Definition on Balls HD 167.