Kuroishi (黒石市, Kuroishi-shi) is a city located in Aomori Prefecture, Japan.

Kuroishi is located in west-central Aomori Prefecture, bordered by the Hakkōda Mountains to be east.

The city was founded on 1 July 1954, from the merger of the town of Kuroishi absorbing the villages of Nakagō, Rokugō, Yamagata and Aseishi.

Kuroishi has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 16 members.

In terms of national politics, the city is part of Aomori 3rd district of the lower house of the Diet of Japan.