Nagawa (長和町, Nagawa-machi) is a town located in Nagano Prefecture, Japan.

The total area of the town is 183.86 square kilometres (70.99 sq mi).

The average annual rainfall is 1388 mm with September as the wettest month.

[2] Per Japanese census data,[3] the population of Nagawa has declined my more than half over the past 70 years.

The area of present-day Nagawa was part of ancient Shinano Province.