Olgiate Olona is a town and comune located in the province of Varese, in the Lombardy region of northern Italy.

The nearest city to Olgiate Olona is Busto Arsizio, about 3 kilometres (2 mi) away.

The town of Olgiate Olona is divided into three "districts": the Center, Gerbone and Buon Gesù.

Between boundaries of Marnate and Gorla Minore is located a military monument of II World War called Marnate's Bunker.

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