Misaka (御坂町 Misaka-chō) was a town located in Higashiyatsushiro District, Yamanashi, Japan.
On October 12, 2004 Misaka was merged the towns of Ichinomiya, Isawa and Yatsushiro, the village of Sakaigawa, all from Higashiyatsushiro District, and the town of Kasugai, from Higashiyamanashi District, to form the new city of Fuefuki.
As of 2003, the town had an estimated population of 12,116 and a density of 207.57 persons per km². The total area was 58.37 km².