Sagamiko (相模湖町 Sagamiko-machi) was a town located in Tsukui District, Kanagawa Prefecture, Japan.
As of March 1, 2006, final population data before the amalgamation, the town had an estimated population of 10,404 and a density of 329.4 persons per km2. The total area was 31.59 km2.
On March 20, 2006, Sagamiko, along with the town of Tsukui (also from Tsukui District), was merged into the expanded city of Sagamihara, and thus no longer exists as an independent municipality. It is now part of Midori-ku, Sagamihara.