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
In August 2002, the Japan Football Association appointed Eiji Ueda, who had been coach for the Macau national football team, as the new head coach. Officials expected a revitalization of women's football and planned a team reorganization, aiming for the 2004 Summer Olympics. The team at first went through a losing streak, but Ueda gradually improved the team, and it eventually gained wide support in Japan. In particular, a game against Korea DPR, which decided who would participate in the 2004 Olympics, not only made fans rush to the National Stadium but also was widely watched on TV.