Hamamasu, Hokkaido

 was a village located in Hamamasu District, Ishikari Subprefecture, Hokkaido, Japan.
In 2004 the village had an estimated population of 2,179 and a density of 7.00 persons per km². The total area was 311.16 km².
On October 1, 2005, Hamamasu, along with the village of Atsuta (from Atsuta District) was merged into the expanded city of Ishikari.