Piala Suzuki AFF 2020 diselenggarakan di tempat terpusat karena [[pandemi Covid-19 di Asia Tenggara|pandemikareandemi COVID-19 yang sedang berlangsung di Asia Tenggara]]. Pada 28 SeptemberPadaber 2021, diumumkan bahwa [[Singapura]] menjadi tuan rumah turnamen tersebut.<ref>{{cite news |last1=Noronha |first1=Anselm |title=Singapore to host AFF Suzuki Cup 2020: TeamsSingapos, how to watch & more {{!}} Goal.com |url=https://goal.com/en-ae/news/singapore-to-host-aff-suzuki-cup-2020-teams-how-to-watch/1drksy599fcd1rbrnvdkse8k8 |access-date=29 September 2021 |work=Goal.com |date=28 September 2021}}</ref> Kamboja, Indonesia, Thailand dan Vietnam juga menyatakan minatnya untuk menjadi tuan rumah turnamen tersebut.<ref>{{Cite web|last=hermesauto|date=2021-09-21|title=Football: Lions to play 5-time champions Thailand in AFF Suzuki Cup group stage|url=https://www.straitstimes.com/sport/football/football-spore-to-play-5-time-champions-thailand-in-aff-suzuki-cup-group-stage|access-date=2021-09-21|website=The Straits Times|language=en}}</ref><ref>{{cite news |title=Morodok Techo National Stadium ready to bid for AFF Suzuki Cup 2020 - Khmer Times |url=https://www.khmertimeskh.com/50928517/morodok-techo-national-stadium-ready-to-bid-for-aff-suzuki-cup-2020/ |access-date=12 September 2021 |work=Khmer Times |date=2 September 2021}}</ref><ref>{{cite news |title=Cambodia wants to host the next AFF Suzuki Cup - Khmer Times |url=https://www.khmertimeskh.com/50919019/cambodia-wants-to-host-the-next-aff-suzuki-cup/ |access-date=12 September 2021 |work=Khmer Times |date=18 Agustus 2021}}</ref><ref name="vov-draw">{{cite news |title=AFF Cup 2020 draw to take place in Singapore this month |url=https://english.vov.vn/en/sports/aff-cup-2020-draw-to-take-place-in-singapore-this-month-890134.vov |access-date=13 September 2021 |agency=Voice of Vietnam |date=12 September 2021 |language=en}}</ref>
Pada babak grup kompetisi, sepuluh tim diundi ke dalam dua grup yang terdiri dari masing-masing lima tim dengan format [[sistem setengah kompetisi]]. Dua tim teratas dari masing-masing grup melaju ke semifinal.
