In the first part of the season, all matches were played behind closed doors in light of the COVID-19 situation.
Note: Flags indicate national team as has been defined under FIFA eligibility rules.
Singapore Premier League clubs can sign a maximum of four foreign players in the 2021 season, up from three as compared to 2019.
Albirex Niigata can sign up unlimited number of Singaporean players for the new season.
Note 1: From 2021, Albirex, a Japanese club, is allowed to sign a maximum of 2 Singaporean players above the age of 23.