Berchidda (Italian: [berˈkidda]; Logudorese: Belchidda [belˈkiɖːa]; Gallurese: Bilchidda) is an Italian commune in the province of Sassari, region and island of Sardinia, located about 170 kilometres (110 mi) north of Cagliari and about 30 kilometres (19 mi) southwest of Olbia.

It is located near Lake Coghinas in a hilly area bordered on the north by the Limbara mountain range.

Berchidda borders the following municipalities: Alà dei Sardi, Calangianus, Monti, Oschiri, Tempio Pausania.

Paolo Fresu, the Sardinian trumpet player, born in Berchidda in 1961, is the founder and the organizer of this festival.

It is connected by the SS 131 State Road and has a station on the Cagliari-Olbia-Golfo Aranci railway.