1920–21 Serbian Football Championship
The Serbian Football Championship season of 1920–21 was the second championship organised by the Belgrade Football Subassociation after the 1920 season.
First League (1. Razred)
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | BSK Belgrade | 9 | 6 | 2 | 1 | 20 | 9 | +11 | 14 |
| 2 | SK Jugoslavija | 9 | 7 | 0 | 2 | 21 | 7 | +14 | 14 |
| 3 | FK BUSK | 9 | 3 | 1 | 5 | 10 | 16 | −6 | 7 |
| 4 | Vardar Belgrade | 9 | 3 | 1 | 5 | 7 | 12 | −5 | 7 |
| 5 | Konkordija Belgrade | 5 | 2 | 0 | 3 | 7 | 12 | −5 | 4 |
| 6 | Soko Belgrade | 9 | 2 | 0 | 7 | 9 | 27 | −18 | 4 |
Source: rsssf.org
Second Leagues
Banat League
Participating:
- Obilić Veliki Bečkerek
- Vašaš Veliki Bečkerek
- Viktorija Veliki Bečkerek
- ŽSE Žombolj
- ŽTK Žombolj
- Šveboše Žombolj
- DSK Debeljača
- KAC Velika Kikinda
Provincial League - Župa 1
Participating:
- Vojvodina Novi Sad
- NAK Novi Sad
- NSK Zemun
- ASK Zemun
- PSK Pančevo
- RSK Ruma
Provincial League - Župa 2
Participating:
- Zora Bijeljina
- Podrinje Bijeljina
- Jedinstvo Brčko
- Sloga Brčko
- Građanski Sremska Mitrovica
- Srpski SK Sremska Mitrovica
- Sloga Šabac
- Srpski mač Valjevo
Provincial League - Župa 2
Participating:
- Jedinstvo Vranje
- Moravac Leskovac
- Jug Bogdan Prokuplje
- Zlatibor Užice
- Šumadija Kragujevac
- PSK Požarevac