Hayama (葉山村 Hayama-mura) was a village located in Takaoka District, Kōchi, Japan.
On February 1, 2005 Hayama was merged with the village of Higashitsuno, also from Takaoka District, to form the new town of Tsuno and no longer exists as an independent municipality.
As of 2003, the village had an estimated population of 4,305 and a density of 64.49 persons per km². The total area was 66.75 km².