| Season | 2021 |
|---|---|
| Dates | 13 March – 10 October 2021 |
| Champions | Lion City Sailors (3rd title) |
| AFC Champions League | Lion City Sailors |
| AFC Cup | Hougang United Tampines Rovers |
| Matches played | 84 |
| Goals scored | 334 (3.98 per match) |
| Top goalscorer | Tomoyuki Doi (19 goals) |
| Biggest home win | Tampines Rovers 7–0 Young Lions (7 April 2021) |
| Biggest away win | Geylang International 0–8 Lion City Sailors (11 April 2021) |
| Highest scoring | Hougang United 7–3 Tampines Rovers (11 September 2021) |
| Longest winning run | 6 matches Lion City Sailors |
| Longest unbeaten run | 18 matches Lion City Sailors |
| Longest winless run | 12 matches Young Lions |
| Longest losing run | 6 matches Geylang International |
← 2020 2022 → | |
The 2021 Singapore Premier League (also known as the AIA Singapore Premier League due to sponsorship reasons) was the 4th season of the Singapore Premier League, the top-flight Singaporean professional league for association football clubs, since its rebranding in 2018.[1]
The champions of the 2021 Singapore Premier League, Lion City Sailors, qualified for the AFC Champions League group stage automatically. The season began on 13 March and ended on 10 October. In the first part of the season, all matches were played behind closed doors in light of the COVID-19 situation.