2020 in Japanese football

This article summarize the Japanese football in the 2020 season.

Men's football
For this season, as a result of the COVID-19 pandemic, there will be no relegation in place for the professional J1, J2 and J3 League, with the J1 League expanding to 20 clubs for the 2021 season. The Japan Football League curtailed its season to play only the second half and will have no promotion or relegation, thus expanding to 18 clubs for the 2021 season.

Promotion and relegation
Teams relegated from J1 League
 * Jubilo Iwata
 * Matsumoto Yamaga

Teams promoted to J1 League
 * Kashiwa Reysol
 * Yokohama FC

Teams relegated from J2 League
 * Kagoshima United FC
 * FC Gifu

Teams promoted to J2 League
 * Giravanz Kitakyushu
 * Thespakusatsu Gunma

Teams relegated from J3 League
 * No relegation to the Japan Football League

Teams promoted to J3 League
 * FC Imabari

Teams relegated from Japan Football League
 * Ryutsu Keizai Dragons

Teams promoted to Japan Football League
 * Iwaki FC
 * Kochi United SC

Promotion and relegation
Team(s) relegated from Nadeshiko Division 1 Teams at the Division 1 play-offs Team(s) promoted to Nadeshiko Division 1 Team(s) relegated from Nadeshiko Division 2 Team(s) at the Division 2 play-offs
 * Ehime
 * Iga Kunoichi
 * Elfen Saitama
 * Sfida Setagaya
 * Bunnys Kyoto
 * Nittaidai