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 Teams promoted to J1 League Teams relegated from J2  League Teams promoted to J2 League Teams relegated from J3 League Teams promoted to J3 League Teams relegated from Japan Football League Teams promoted to Japan Football League Women's football. 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