Shinshūshinmachi (信州新町, Shinshū-shinmachi) was a town located in Kamiminochi District, Nagano Prefecture, Japan.

As of 2003, the town had an estimated population of 5,762 and a density of 81.46 persons per km2.

The total area was 70.73 km2.

On January 1, 2010, Shinshūshinmachi, along with the village of Nakajō (also from Kamiminochi District), was merged into the expanded city of Nagano.

This Nagano Prefecture location article is a stub.