白根市是位于新潟县的一个已不存在的市。设立于1959年（昭和34年）6月1日。白根市在2005年3月21日，被编入新潟市。现在分属新潟市南区和秋叶区。

Shirone(白根市,Shirone-shi) was a city located in Niigata Prefecture, Japan. The city was founded on June 1, 1959.

As of 2003, the city had an estimated population of 39,966 and density of 518.63 persons per km². The total area was 77.06 km².

On March 21, 2005, Shirone, along with the cities of Niitsu and Toyosaka, the towns of Kameda, Kosudo 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 now part of Minami-ku ward.