Pesta Olahraga Asia Tenggara 2021: Perbedaan antara revisi

SEA Games ke-31 akan menampilkan 40 cabang olahraga dengan 523 acara.<ref>{{cite web |author1=Nguyên Phương |title=Việt Nam chỉ tổ chức tối đa 40 môn tại SEA Games 31 |url=https://thethao.sggp.org.vn/viet-nam-chi-to-chuc-toi-da-40-mon-tai-sea-games-31-670784.html |website=Sài Gòn Giải Phóng - Thể Thao Online |access-date=4 July 2020 |language=vi |date=3 July 2020}}</ref><ref>{{cite web |author1=Lê Hùng |title=SEA Games 31 có thêm 4 môn thi đấu |url=https://thethao.sggp.org.vn/sea-games-31-co-them-4-mon-thi-dau-690751.html |website=Sài Gòn Giải Phóng Online |date=12 October 2020 |access-date=12 October 2020 |language=vi}}</ref> Hampir setengah, atau 19 dari 40 cabang olahraga, tidak termasuk dalam Olimpiade pada saat SEA Games ke-31 diselenggarakan, karena Vietnam tidak ingin Thailand menang jadi banyak cabang olahraga baru.