2021 C-League
2021 Metfone C-League is the 37th season of the C-League. Contested by 13 clubs, it operates on a system of promotion and relegation with Cambodian Second League. Boeung Ket are the defending champions, while Prey Veng makes its debut as the promoted team from the 2020 Cambodian Second League.
2021 season clubs
Teams
| Team | Location | Stadium | Capacity | Previous season |
| Angkor Tiger | Siem Reap Province | SRU Stadium | 5,000 | C-League |
| Asia Euro United | Kandal Province | AEU Sport Park | 1,500 | C-League |
| Boeung Ket | Phnom Penh | Cambodia Airways Stadium | 2,000 | C-League |
| Electricite du Cambodge | Phnom Penh | EDC Stadium | 300 | C-League |
| Kirivong Sok Sen Chey | Takeo Province | Kirivong Sok Sen Chey Stadium | 500 | C-League |
| Nagaworld | Phnom Penh | RCAF Old Stadium | 20,000 | C-League |
| National Police Commissary | Kandal Province | 7NG Stadium | TBD | C-League |
| Phnom Penh Crown | Phnom Penh | Smart RSN Stadium | 5,000 | C-League |
| Preah Khan Reach Svay Rieng | Svay Rieng Province | Svay Rieng Stadium | 2,500 | C-League |
| Prey Veng | Prey Veng Province | Prey Veng Stadium | 1,200 | Cambodian Second League |
| Soltilo Angkor | Siem Reap Province | SRU Stadium | 5,000 | C-League |
| Tiffy Army | Phnom Penh | RCAF Old Stadium | 20,000 | C-League |
| Visakha | Phnom Penh | Prince Stadium | 10,000 | C-League |
Foreign players
The number of foreign players is restricted to five per team. A team can use four foreign players on the field in each game, including at least one player from the AFC region.Players name in bold indicates the player is registered during the mid-season transfer window.
| Club | Player 1 | Player 2 | Player 3 | Player 4 | AFC Player | Former Players | ||||||||||||||||||
| Angkor Tiger |  League tableSeason statisticsTop scorers
|
dts|format=dmy||07|03