thumb|Tamagawa Onsen
was a village located in Hiki District, Saitama Prefecture, Japan.
As of 2003, the village had an estimated population of 5,568 and a density of 387.20 persons per km<sup>2</sup>. The total area was 14.38 km<sup>2</sup>.
On February 1, 2006, Tamagawa, along with the former village of Tokigawa (also from Hiki District), was merged to create the new town of Tokigawa.