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 national football team
Japan uses blue and white rather than red and white due to a superstition. Japan used blue shirts in a 3–2 victory over Sweden in the first game of its maiden major international competition, the 1936 Summer Olympics. When Japan was coached by Kenzo Yokoyama (1988–1992) the kits were red and white, matching the colors of Japan's national flag. After failures at 1990 FIFA World Cup and 1992 Summer Olympics qualifications, the red shirt was scrapped.