Tsugawa (津川町 Tsugawa-machi) was a town located in Higashikanbara District, Niigata Prefecture, Japan.
As of 2003, the town had an estimated population of 5,000 and a density of 59.39 persons per km². The total area was 84.19 km².
On April 1, 2005, Tsugawa, along with the town of Kanose, and the villages of Kamikawa and Mikawa (all from Higashikanbara District) were merged to create the town of Aga.
Coordinates: 37°41′N 139°28′E / 37.683°N 139.467°E