Kadogawa is a town situated in the Higashiusuki District of Miyazaki Prefecture, Japan. It covers a total land area of 120.52 square kilometres (46.53 sq mi).
As of October 1, 2023, the town has an estimated population of 16,760 residents living in 6,887 households. The population density of the area is recorded at 140 persons per square kilometre.