Katsunuma, Yamanashi

 was a town in Higashiyamanashi District, Yamanashi Prefecture, Japan.
As of 2003, the town had an estimated population of 9,271 and a density of 255.82 persons per km². The total area was 36.24 km².
On November 1, 2005, Katsunuma, along with the city of Enzan, and the village of Yamato (also from Higashiyamanashi District), was merged to create the city of Kōshū. Katsunuma also popular for White Wines