| Liga 3 West Kalimantan | |
| Year: | 2021 |
| Dates: | 9 October 2021 – 28 October 2021 |
| Num Teams: | 10 |
| Defending Champions: | Persikat Ketapang |
| Champions: | Gabsis[1] |
| Count: | 1 |
| Runner-Up: | Delta Khatulistiwa |
| Matches: | 24 |
| Goals: | 54 |
| Prevseason: | 2019 |
| Nextseason: | 2023 |
The 2021 Liga 3 West Kalimantan will be the sixth season of Liga 3 West Kalimantan as a qualifying round for the national round of the 2021–22 Liga 3.
Persikat Ketapang were the defending champion.[2]
There are 10 teams participated in the league this season, divided into 2 groups of five.[3]
| Team | Location | |
|---|---|---|
| Gabsis Sambas | Sambas | |
| Persikat Ketapang | Ketapang | |
| Persimel Melawi | Melawi | |
| Persipon Pontianak | Pontianak | |
| Persiwah Mempawah | Mempawah | |
| PS Delta Khatulistiwa | Pontianak | |
| PS Kota Singkawang | Singkawang | |
| PS Kubu Raya | Great Kubu | |
| PS Sanggau | Sanggau | |
| Sambas Putra | Sambas |
Leg 1
Leg 2Gabsis Sambas won 2–1 on aggregate.
Leg 1Leg 2Gabsis Sambas won 4–3 on penalty shoot-out.