2021 Liga 3 Bangka Belitung Islands
| Dates | 5 November 2021 – 27 November 2021 |
|---|---|
| Defending champions | Persibabar West Bangka |
| Final positions | |
| Champions | Belitong (1st title) |
| Runners-up | PS Bangka Setara |
| Third place | PS Beltim |
| Fourth place | SWN Belinyu |
| Tournament statistics | |
| Matches played | 43 |
| Goals scored | 102 (2.37 per match) |
The 2021 Liga 3 Bangka Belitung is a qualifying round for the national round of 2021–22 Liga 3, The lowest tier in Indonesian football league system.
Persibabar West Bangka, the winner of the 2019 Liga 3 Bangka Belitung are the defending champions.