叶山町（日语：叶山町／はやままち）是神奈川县三浦半岛西部的一町。现在是三浦郡内唯一的自治体。

Hayama(葉山町,Hayama-machi) is a town located in Miura District, Kanagawa Prefecture, on central Honshū, Japan. As of June 2012, the town had an estimated population of 32,835 and a density of 1,920 per km. The total area was 17.06 km. Since 1894, the Japanese Imperial Family has maintained a residence in Hayama, the seaside Hayama Imperial Villa.