| Event: | Finswimming |
| Games: | 2021 |
| Venue: | Mỹ Đình Aquatics Center |
| Location: | Hanoi, Vietnam |
| Dates: | 21–22 May 2022 |
| Prev: | 2011 |
| Next: | 2023 |
Finswimming competitions at the 2021 SEA Games took place at Mỹ Đình Aquatics Center in Hanoi, Vietnam[1] from 21 to 22 May 2022.[2]
| 100 m bi-fins | nowrap | ||||
| 50 m surface | |||||
| 100 m surface | |||||
| 1500 m surface | |||||
| 4 × 100 m surface | Đỗ Đình Toàn Nguyễn Thành Lộc Lê Đặng Đức Việt Nguyễn Duy Anh | nowrap=yes | Khet Chamnanwat Paphonpach Wongaek Wuthiphat Sa Nguanwong Katamat Autapao | nowrap | Bima Dea Sakti Antono Petrol Apostle Gasoline Kambey Dio Novandra Wibawa Wahyu Anggoro Tamtomo |
| 4 × 200 m surface | Đỗ Đình Toàn Đỗ Thanh Thảo Đặng Đức Mạnh Nguyễn Tiến Đạt | nowrap | Muhammad Zidan Arrif Billah Bima Dea Sakti Antono Petrol Apostle Gasoline Kambey Dio Novandra Wibawa | Chhom Chanthun Toun Tithsatya Lim Sokwadthanoon Lim Keouodom |
| 100 m bi-fins | |||||
| 50 m surface | |||||
| 100 m surface | |||||
| 800 m surface | |||||
| 4 × 100 m surface | Nguyễn Thị Huệ Nguyễn Thị Hằng Phạm Thị Thu Hoàng Thị Tâm | nowrap | Katherina Eda Rahayu Ashifa Helsa Ashuroh Vania Elvira Elent Rahmadani Andhini Muthia Maulida | nowrap | Romina Rafaelle Gavino Raissa Regatta Eugenie Gavino Marjorie Denise Manguiat Sam Andrei Doragos |
| 4 × 200 m surface | nowrap | Katherina Eda Rahayu Vania Elvira Elent Rahmadani Andhini Muthia Maulida Janis Rosalita Suprianto | Nguyễn Thị Huệ Nguyễn Thị Hằng Trường Hồng Phúc Phạm Thị Kim Thương | Suchaya Vichaksanapong Nawanit Intharawichien Kittisook Dumdee Juthamas Sutthison |
| 4 × 100 m bi-fins | nowrap | Phạm Thị Thu Nguyễn Thị Hằng Hoàng Thị Tâm Nguyễn Thị Hằng | nowrap | Harvey Hubert Hutasuhut Andityo Panigoro Joanita Mutiara Hapsari Raqiel Az Zahra | nowrap | Nusanee Chandaeng Thewa Baochum Theerut Yenkongka Juthamas Sutthison |