NCAA Season 91 is the 2015-2016 collegiate athletic year of the National Collegiate Athletic Association in the Philippines. It is hosted by Mapua Institute of Technology and was opened on June 27, 2015 at the Mall of Asia Arena in Pasay City hosted by Andrei Felix and Myrtle Sarrosa and ended on March 8, 2016 with the Cheerleading Competition and closing ceremonies, as the final event held at the MOA Arena, also hosted by Felix and Sarrosa, together with Anton Roxas, Migs Bustos, Ceej Tantengco and Roxanne Montealegre.