2023 SEABA Under-16 Championship

The 2023 SEABA Under-16 Championship was the qualifying tournament for Southeast Asia Basketball Association at the 2023 FIBA Under-16 Asian Championship. The tournament was held in Surabaya, Indonesia from July 17 to 19. GOR Kertajaya Surabaya served as the venue of the four-team competition.

The Philippines won their fifth straight title, their first since the 2017 edition, after completing a three-game sweep in the tournament. Malaysia, hosts Indonesia and Thailand finished the tournament with identical 1-2 records, however, due to superior quotient, Malaysia clinched second place, followed by Indonesia and Thailand.

Philippines and Malaysia will represent SEABA in the U16 Asian tournament to be held in September 2023 in Doha, Qatar.