Kizugawa is a city located in southern Kyoto Prefecture, Japan. It is the southernmost city in the prefecture and it is named after the Kizu River, a tributary of the Yodo River, which runs through the city. Kizugawa City is a part of the Kansai Science City project and houses research facilities of several corporations, including Rohto Pharmaceutical and Omron. As of October 1, 2017, the city has an estimated population of 74,969.
Kizugawa City is one of the few municipalities in Japan with a growing population. In a population estimate released by the Japan Policy Council, Kizugawa City is the only municipality in Kyoto Prefecture predicted to have a positive population growth rate by 2040.