is a district located in Kōchi Prefecture, Japan.
As of October 10, 2018, the district has an estimated population of 26,601 and a density of 33.09 persons per km<sup>2</sup>. The total area is 803.67 km<sup>2</sup>.
Towns and villages
- Ino
- Niyodogawa
Mergers
- On October 1, 2004 the village of Gohoku, along with the village of Hongawa, from Tosa District, merged into the expanded town of Ino.
- On August 1, 2005 the town of Ikegawa, and the village of Agawa merged with the village of Niyodo, from Takaoka District, to form the new town of Niyodogawa.
- On January 1, 2008 the town of Haruno merged into the expanded city of Kōchi.
