Kasugai, Yamanashi

 was a town located in Higashiyamanashi District, Yamanashi Prefecture, Japan.
As of 2003, the town had an estimated population of 7,689 and a density of 558.39 persons per km². The total area was 13.77 km².
History.
On October 12, 2004, Kasugai, along the towns of Ichinomiya, Isawa, Misaka and Yatsushiro, and the village of Sakaigawa (all from Higashiyatsushiro District), was merged to create the city of Fuefuki.