| Liga 3 East Java | |
| Year: | 2021 |
| Dates: | 3 November–16 December 2021 |
| Num Teams: | 69 |
| Defending Champions: | PSG Gresik |
| Champions: | NZR Sumbersari[1] |
| Count: | 1 |
| Runner-Up: | Persedikab Kediri |
| Third: | Gresik United |
| Fourth: | Persewangi Banyuwangi |
| Prevseason: | 2019 |
| Nextseason: | 2023–24 |
The 2021 Liga 3 East Java (also known as Liga 3 MS Glow For Men PSSI Jawa Timur for sponsorship reason[2]) was the sixth season of Liga 3 East Java as a qualifying round for the national round of the 2021–22 Liga 3.
PSG Gresik (now AHHA PS Pati) were the defending champion.
There are 69 teams participated in the league this season.[3]