| Liga 3 Jambi | |
| Year: | 2021 |
| Dates: | 17 October[1] –1 November 2021 |
| Num Teams: | 15 |
| Defending Champions: | Persibri Batanghari |
| Champions: | Jambi United[2] |
| Count: | 1 |
| Runner-Up: | PS Muaro Jambi |
| Prevseason: | 2019 |
| Nextseason: | 2022 |
The 2021 Liga 3 Jambi was the sixth season of Liga 3 Jambi as a qualifying round for the national round of the 2021–22 Liga 3.
Persibri Batanghari were the defending champion.[3]
There are 15 teams participated in the league this season.
| Team | Location | |
|---|---|---|
| Bungo Putra | Bungo | |
| Jambi United | Jambi | |
| Merangin | Merangin | |
| Persibri Batanghari | Batanghari | |
| Persikoja Jambi City | Jambi | |
| Persikota Sungai Penuh | Sungai Penuh | |
| Persisko Merangin | Merangin | |
| Persitaj West Tanjung Jabung | West Tanjung Jabung | |
| PS Kerinci | Kerinci | |
| PS Muaro Jambi | Muaro Jambi | |
| PS PLN Jambi | Jambi | |
| PS Sailun Salimbai | Muaro Jambi | |
| PS Tebo | Tebo | |
| Siginjei Sakti | Jambi | |
| Tabir | Merangin |
All matches was held in KONI Stadium, Batanghari.
----(PS Muaro Jambi won 3–0 on penalty shoot-out.)--------(Persikota Sungai Penuh won 5–4 on penalty shoot-out.)
(PS Muaro Jambi won 4–1 on penalty shoot-out.)----
(Jambi United won 5–4 on penalty shoot-out.)