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 .
Japan women's national football team
Japan women's national football team attended various championship tournaments such as the 1996 Summer Olympics and the 1995 FIFA Women's World Cup which had made the national team and the L. League very popular. However, in 1999, Japan failed to qualify for the 2000 Summer Olympics, and this helped to cause the withdrawal of a series of teams from the L. League. Japanese women’s football was on the verge of decline.