Ishige (石下町, Ishige-machi) was a town located in Yūki District, Ibaraki Prefecture, Japan.
As of 2003, the town had an estimated population of 24,960 and a density of 569.34 persons per km2. The total area was 43.84 km2.
On January 1, 2006, Ishige merged with Mitsukaido; which was later renamed "Jōsō".