Ikaruga is a town in Ikoma District, Nara, Japan.
Ikaruga is home to Hōryū-ji and Hokki-ji, ancient Buddhist temples collectively inscribed as UNESCO World Heritage Sites. Other ancient temples include Hōrin-ji, also in the vicinity of Hōryū-ji. The town was named after the Palace of Prince Shōtoku, Ikaruga-no-Miya, whose grounds were at Hōryū-ji, thus it is also called Ikaruga-dera.
As of April 1, 2015, the town has an estimated population of 27,341, with 11,308 households. The total area is 14.27 km².