Kashiwa Reysol (柏レイソル Kashiwa Reisoru) is a Japanese professional football club based in Kashiwa, Chiba. The team competes in the J. League Division 1 from 2011 season.
Formed in 1940, Reysol were founding members of Japan Soccer League in 1965 and have spent the majority of their existence in the top tier of Japanese football. They have been Japanese league champions twice, in 1972 and 2011, and have won three Emperor's Cups.
Reysol have a rivalry with neighbours JEF United Chiba and the two sides contest the Chiba derby. The club have been based at Hitachi Kashiwa Soccer Stadium since 1985