Berzo Demo (Camunian: Bèrs Dém) is an Italian comune in Val Camonica, province of Brescia, in Lombardy, northern Italy.

Monday 6 April 1299, the consuls of the vicinia of Berzo and Demo go to Cemmo where is Cazoino Capriolo, Chamberlain of the Bishop of Brescia Berardo Maggi.

On 15 May 1365 the Bishop of Brescia Enrico Sessa invests iure feuds for a tenth of the rights in the territories of Breno, Vione, Vezza, Sonico, Malonno, Berzo Demo, Astrio, Ossimo and Losine Giovanni and Gerardo sons of Pasino Federici of Mu.

On 17 September 1423 the Bishop of Brescia Francesco Marerio invests iure feuds for a 10th of the rights in the territories of Monno, Cevo, Andrist, Grumello, Saviore, Cemmo, Ono, Sonico, Astri, Malegno, Cortenedolo, Vione, Incudine and Berzo Demo at Bertolino della Torre of Cemmo.

The churches of Berzo Demo are: The scütüm are in camunian dialect nicknames, sometimes personal, elsewhere showing the characteristic features of a community.