Gaggio Montano (Medial Mountain Bolognese: Gâg) is a comune (municipality) in the Metropolitan City of Bologna in the Italian region Emilia-Romagna, located about 45 kilometres (28 mi) southwest of Bologna.

Gaggio Montano borders the following municipalities: Castel d'Aiano, Castel di Casio, Grizzana Morandi, Lizzano in Belvedere, Montese, Alto Reno Terme, Vergato.

Piquadro, a leather goods company, is headquartered in the municipality.

[4] Saeco, a household durables manufacturer, a subsidiary of Philips is headquartered in the municipality.

This article on a location in Emilia–Romagna is a stub.