Rosazza is a comune (municipality) in the Province of Biella in the Italian region Piedmont, located about 70 kilometres (43 mi) northeast of Turin and about 15 kilometres (9 mi) northwest of Biella.

As of 31 December 2004, it had a population of 89 and an area of 8.7 square kilometres (3.4 sq mi).

[3] Rosazza borders the following municipalities: Andorno Micca, Campiglia Cervo, Piedicavallo, Sagliano Micca.

It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy").

This article on a location in the Province of Biella is a stub.