JEF United Ichihara Chiba

is a Japanese professional football club that plays in J. League Division 2. On February 1, 2005, the club changed its name from JEF United Ichihara to the current name after Chiba city had joined Ichihara, Chiba as its hometown in 2003. The club name, JEF -taken from JR East and Furukawa Electric- and United, represents the unity of the team and its home town. The club is also known as or .