| Champ: | |
| Runner: | |
| Score: | 6–4, 2–6, [10–7] |
| Biannual: | yes |
| Multi: | yes |
| Type: | mixed |
See main article: Tennis at the 2017 SEA Games.
Sanchai and Sonchat Ratiwatana of Thailand were the defending champions and successfully defended their title, defeating Francis Casey Alcantara and Ruben Gonzales of the Philippines in the final, 6–4, 2–6, [10–7].
Lý Hoàng Nam and Nguyễn Hoàng Thiên of Vietnam, and Kittipong Wachiramanowong and Wishaya Trongcharoenchaikul of Thailand won the bronze medals.
| Men's Doubles | Sanchai Ratiwatana Sonchat Ratiwatana | Francis Casey Alcantara Ruben Gonzales | Lý Hoàng Nam Nguyễn Hoàng Thiên |
| Kittipong Wachiramanowong Wishaya Trongcharoenchaikul | |||