The open water swimming at the 2019 Southeast Asian Games in the Philippines was held at the Hanjin Boat Terminal in Cubi, Subic on 10 December 2019.[1] It was the first time such event was held in the SEA Games. Only one event was contested:[2] the men's 10 km.[1] It was one of four aquatic sports contested at the SEA Games, along with diving, swimming, and water polo.
* Host nation (Philippines)
The race was held on 10 December 2019.