Shimoina District, Nagano

Shimoina (下伊那郡, Shimoina-gun^?) is a district located in Nagano Prefecture, Japan.

As of May, 2008, the district has an estimated Population of 65,359 and a Density of 51.4 persons/km². The total area is 1,270.43 km².

There are 3 towns and 10 villages within the district.