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.
Teams There are 10 teams participated in the league this season, divided into 2 groups of five.
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
Group stage Group A
Group B
Knockout stage
Semi final Leg 1
Leg 2
Gabsis Sambas won 2–1 on aggregate.
Final Leg 1
Leg 2
Gabsis Sambas won 4–3 on penalty shoot-out.
References