| Season | 2021 |
|---|---|
| Dates | 14 March – 5 December |
| Champions | Iwaki FC |
| Promoted | Iwaki FC |
| Relegated | FC Kariya |
| Matches played | 272 |
| Goals scored | 694 (2.55 per match) |
← 2020 2022 → | |
The 2021 Japan Football League (Japanese: 第23回日本フットボールリーグ[第23回 JFL 2021], Hepburn: Dai Nijūsankai Nihon Futtobōru Rīgu [Dai Nijūsankai JFL 2021]) was the eighth season of the nationwide fourth tier of Japanese football, and the 23rd season since the establishment of Japan Football League.