Katō (加東市, Katō-shi?) is a city in Hyōgo Prefecture, Japan.
The modern city of Katō was established on March 20, 2006 from the merger of the former towns of Takino, Tōjō and Yashiro (all from Katō District).
As of February 1, 2012, the city has an estimated population of 40,194, with 14,865 households and a population density of 255.22 persons per km². The total area is 157.49 square kilometres (60.81 sq mi).
Katō is twinned with: