Kosudo, Niigata

Kosudo (小須戸町, Kosudo-machi^?) was a town located in Nakakanbara District, Niigata Prefecture, Japan.

As of 2003, the town had an estimated population of 10,256 and a density of 606.5 persons per km². The total area was 16.91 km².

On March 21, 2005, Kosudo, along with the cities of Niitsu, Shirone and Toyosaka, the towns of Kameda and Yokogoshi (all from Nakakanbara District), the town of Nishikawa, and the villages of Ajikata, Iwamuro, Katahigashi, Nakanokuchi and Tsukigata (all from Nishikanbara District), was merged into the expanded city of Niigata. As of April 1, 2007, the area is part of the Akiha-ku ward.