Futaba (双葉町 Futaba-chō ) was a town located in Kitakoma District, Yamanashi, Japan.
On September 1, 2004 Futaba was merged with the towns of Ryūō and Shikishima, both from Nakakoma District, to form the new city of Kai.
As of 2003, the town had an estimated population of 13,483 and a density of 714.90 persons per km². The total area was 18.86 km².