Casalromano (Upper Mantovano: Casarima) is a comune (municipality) in the Province of Mantua in the Italian region Lombardy, located about 100 kilometres (62 mi) southeast of Milan and about 35 kilometres (22 mi) west of Mantua. As of 31 December 2004, it had a population of 1,568 and an area of 11.9 square kilometres (4.6 sq mi).

The municipality of Casalromano contains the frazione (subdivision) Fontanella Grazioli.

Casalromano borders the following municipalities: Asola, Canneto sull'Oglio, Fiesse, Isola Dovarese, Volongo.

Demographic evolution