Kanagawa Prefectural Assembly is a prefectural assembly of Kanagawa Prefecture.
The Kanagawa Prefectural Assembly was established on 22 July 1878 and prefectural rule was established on the basis of the 1878 Prefectural Regulation No.18 (daijà Â-kan No. 18). For the first assembly, 47 members were elected by registered votes from one district and 15 counties. The term is four years.