was a town located in Miyako District, Fukuoka Prefecture, Japan.
As of 2003, the town had an estimated population of 7,319 and a density of 215.65 persons per km2. The total area was 33.94 km2.
On March 20, 2006, Katsuyama, along with the towns of Saigawa and Toyotsu (all from Miyako District), was merged to create the town of Miyako.