The 2019 Japan Football League (Japanese: 第21回日本フットボールリーグ(第21回 JFL 2019), Hepburn: Dai Nijūikkai Nihon Futtobōru Rīgu (Dai Nijūikkai JFL 2019)) was the sixth season of the nationwide fourth tier of Japanese football, and the 21st season since the establishment of Japan Football League.
Starting from this season, the league reverted to a one-stage double round-robin again.
Sixteen clubs will feature in this season of Japan Football League.
There were some changes: Vanraure Hachinohe won promotion to pro football in 2018, while Cobaltore Onagawa was relegated.
There are two new clubs in the JFL, debuting in this category: Matsue City won the Regional Promotion Series, while Suzuka Unlimited came second in the final phase.