Campomarino (Arbërisht: Këmarini) is an Arbëreshë comune in the Province of Campobasso, in the Italian region of Molise, located about 50 kilometres (31 mi) northeast of Campobasso, and about 5 kilometres (3 mi) southeast of Termoli.

The commune includes the seaside tourist resort of Campomarino Lido, just above the sea level, and the village of Campomarino, located on a hill behind it. Campomarino borders the following municipalities: Chieuti, Guglionesi, Portocannone, San Martino in Pensilis, Termoli.