NCAA Season 100 basketball tournaments
| Siglo Uno: Inspiring Legacies | ||||||||||||||||
| Host school | Lyceum of the Philippines University | |||||||||||||||
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| Duration | December 1–7, 2024 | |||||||||||||||
| Arena(s) | Araneta Coliseum | |||||||||||||||
| Finals MVP | Clint Escamis | |||||||||||||||
| Winning coach | Randy Alcantara (1st title) | |||||||||||||||
| Semifinalists | ||||||||||||||||
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| Duration | April 11–15, 2025 | |||||||||||||||
| Arena(s) | Filoil EcoOil Centre | |||||||||||||||
| Finals MVP | Lebron Jhames Daep | |||||||||||||||
| Winning coach | Joph Cleopas | |||||||||||||||
| Semifinalists | ||||||||||||||||
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The NCAA Season 100 basketball tournaments were the basketball tournaments of the National Collegiate Athletic Association (Philippines) (NCAA) for its 2024–25 season. The tournament was hosted by Lyceum of the Philippines University. Opening day of the men's tournament was held at the SM Mall of Asia Arena on September 7, 2024, while the rest of the elimination round games was held at the Filoil EcoOil Centre, then the final elimination gameday and semifinals held at the Cuneta Astrodome, then the finals at the Araneta Coliseum. The juniors' tournament started on February 24, 2025, and ended on April 15, 2025.
The Mapúa Cardinals won their first men's championship since NCAA Season 67 (1991), defeated the Benilde Blazers. Mapúa finished first at the end of the elimination round and defeated the Lyceum Pirates in the semifinals. Benilde finished second, and ousted the defending champions San Beda Red Lions in the other semifinal.
The Perpetual Junior Altas won the first juniors' championship. They defeated the La Salle Green Hills Greenies in the finals. Perpetual finished the elimination round first, with Letran, LSGH and San Beda tied for second, with the three teams ranked by tiebreakers. LSGH eliminated defending champions Letran, while Perpetual defeated San Beda. San Beda won third place, while Perpetual clinched the first basketball title for their school in the deciding game three of the finals.