Atetsu District, Okayama

Atetsu (阿哲郡; -gun) was a district located in Okayama, Japan.

As of 2003, the district had an estimated population of 13,546 and a density of 30.70 persons per km². The total area was 441.28 km².

This district was dissolved on 31 March 2005.

Towns and villages

On that date, all merged into the city of Niimi.