Cittiglio is a comune located in the Province of Varese within the Lombardy region of northern Italy. It is situated approximately 60 kilometres northwest of Milan and about 15 kilometres northwest of the city of Varese.
As of December 31, 2004, the municipality covered an area of 11.5 square kilometres and had a population of 3,817 residents. The town is notably recognized as the birthplace of Alfredo Binda, who was a world-class bicycle racer during the 1920s and 1930s.