Ishikawa Prefecture (石川県, Ishikawa-ken^?) is a prefecture of Japan located in the Chūbu region on Honshū island. The capital is Kanazawa.

Ishikawa was formed from the merger of Kaga Province and the smaller Noto Province.

Ishikawa is on the Sea of Japan coast. The northern part of the prefecture consists of the narrow Noto Peninsula, while the southern part is wider and consists mostly of mountains with the prefecture's chief city, Kanazawa, located in the coastal plain. The prefecture also has some islands, including Notojima, Mitsukejima, Hegurajima.

Eleven cities are located in Ishikawa Prefecture:

Towns and villages in each district:

Ishikawa's industry is dominated by the textile industry, particularly artificial fabrics, and the machine industry, particularly construction machinery.

Ishikawa Prefecture has an area of 4,185 km² and as of April 1, 2011 it has a population of 1,166,643 persons.

The area is noted for arts and crafts and other cultural traditions:

The most popular destination in Ishikawa is Kanazawa. Tourists can get to Ishikawa by plane via Komatsu.