Gatteo () is a comune (municipality) in the Province of Forlì-Cesena in the Italian region Emilia-Romagna, located about southeast of Bologna and about southeast of Forlì. As of 31 December 2004, it had a population of 7,252 and an area of .
Gatteo borders the following municipalities: Cesenatico, Gambettola, Longiano, Savignano sul Rubicone.