Guillaumes (French pronunciation: [ɡijom]; Occitan: Guilherme; Italian: Guglielmi) is a commune in the Alpes-Maritimes department in southeastern France.

It was part of the historic County of Nice until 1860 as Guglielmi.

The Valberg ski resort is, in part, located on this town.

The commune is situated along the river Var, and at the beginning of the Gorges de Daluis.

This Alpes-Maritimes geographical article is a stub.