Gavirate is a comune (municipality) in the province of Varese, in the Italian region of Lombardy, located about northwest of Milan and about northwest of Varese. As of 31 December 2004, it had a population of 9,438 and an area of .
The comune of Gavirate contains the frazioni (hamlets) Oltrona al Lago, Voltorre and other mainly villages: Groppello, Le Vigne, Fignano, Forte di Orino, Fienile delle Pianezze, Armino, Pozzuolo, Cual, Ca'de Monti, Ronco, and Benedetto.
Gavirate borders the following comuni: Barasso, Bardello con Malgesso e Bregano, Besozzo, Biandronno, Casciago, Cocquio-Trevisago, Comerio, Cuvio, Varese.