The 12th Southeast Asia Basketball Association Championship was the qualifying tournament for the 2017 FIBA Asia Cup. It also served as a regional championship involving Southeast Asian basketball teams. It was held from 12 to 18 May 2017 in the Philippines.
Originally scheduled to be held from 23 to 30 April 2017, SEABA decided to postpone the tournament to 15 to 21 May 2017 due to conflicting schedule with the ASEAN Basketball League and the Indonesian Basketball League. For the first time, this tournament only allotted one spot for the subzone for the renamed continental championship which was held in Lebanon from 10 to 20 August 2017.
Aside from the hosts, the national teams of , , , , and participated in the week-long tournament.
The SEABA U16 Championship for Men was also hosted by the Philippines from 14 to 18 May 2017 at the same venue.
The defending champions, through the Samahang Basketbol ng Pilipinas (SBP), was awarded the hosting rights of the championship. This was the first time that the Philippines hosted the SEABA Championship since 2001. The country signified its interest to host the 2017 tournament sometime in December 2016, before the December 31 deadline set by SEABA.
(NR) - Not ranked
Smart Araneta Coliseum in Quezon City was the main venue of the weeklong tournament.
The following referees were selected for the tournament.