Tamaho (玉穂町 Tamaho-chō?) was a town located in Nakakoma District, Yamanashi Prefecture, Japan.
As of 2003, the town had an estimated population of 10,612 and a population density of 1,291.00 persons per km². The total area was 8.22 km².
On February 20, 2006, Tamaho, along with the town of Tatomi (also from Nakakoma District), and the village of Toyotomi (from Nishiyatsushiro District), was merged to create the city of Chūō.