Kikugawa is a city located in the western portion of Shizuoka Prefecture, Japan. As of 28 February 2023, the city had an estimated population of 47,714 in 18,775 households, and a population density of 510 persons per km². The total area of the city is 94.19 square kilometres. The city is known for production of green tea. The city's slogan is "Green for the Next Generation".