Japan national football team
The Japanese team is commonly known by the fans and media as , , or as abbreviated expressions. Although the team does not have an official nickname as such, it is often known by the name of the manager. For example, under Takeshi Okada, the team was known as . Recently, the team has been known or nicknamed as the "Samurai Blue", while Japanese news media during the 2018 FIFA World Cup still referred it to by the recently departed manager's (Akira Nishino) last name, as .
List of Japanese football champions
Years in "italic" indicate Japan Soccer League seasons. Clubs in bold compete in Division 1 as of the 2019 season; clubs in "italic" no longer exist.
This is a breakdown by Japanese region, as clubs have moved cities before and even during the J. League period. Sanfrecce Hiroshima, Júbilo Iwata, Yokohama F. Marinos, Cerezo Osaka and Nagoya Grampus are the only champion clubs who have always been based in their respective cities.