2021 Liga 3 Banten

The 2021 Liga 3 Banten (also known as Liga 3 MS Glow For Men PSSI Banten for sponsorship reason ) will be the sixth season of Liga 3 Banten as a qualifying round for the national round of the 2021–22 Liga 3.

Persikota Tangerang were the defending champion.

Teams
There are 22 teams participated in the league this season.