Kudamatsu

 is a city in Yamaguchi Prefecture, Japan. , the city has an estimated population of 55,119, with 24,392 households and a population density of 616 persons per km². The total area is 89.44 km².
The city was founded on November 3, 1939, being formed by the merger of the former town of Kudamatsu, and the villages of Hanaoka, Kubo and Suetake-minami. Each of these were previously part of Tsuno District.