- Singapura (Gold 24, Silver 24, Bronze 28, Total 76)
- Indonesia (Gold 23, Silver 36 , Bronze 27, Total 86)
- Malaysia (Gold 19, Silver 22 , Bronze 43 , Total 84)
- Myanmar(Gold 4, Silver 5 , Bronze 9 , Total 18)
- Kamboja (Gold 1, Silver 4 , Bronze 9 , Total 14)
- Brunei Darussalam (Gold 1, Silver 1 , Bronze 1, Total 3)
- Laos (Gold 0 , Silver 1 , Bronze11 , Total 12)
- Timor Leste (Gold 0, Silver 1 , Bronze 0 , Total 1)
Demikian Rangking Medal SEA Games Vietnam 2021, Indonesia duduki peringkat 4 dari negara peraih medali terbanyak di SEA Games 2021 Vietnam.***