The province of Como (Italian: provincia di Como; Comasco: pruincia de Comm) is a province in the Lombardy region of Italy. It borders the Swiss cantons of Ticino and Grigioni to the north, the Italian provinces of Sondrio and Lecco to the East, the province of Monza and Brianza to the south and the province of Varese to the West. The city of Como is its capital—other large towns, with more than 10,000 inhabitants, include Cantù, Erba, Mariano Comense and Olgiate Comasco. Campione d'Italia also belongs to the province and is enclaved in the Swiss canton of Ticino.

Historical population

Year	Pop.	±%
1951	361,667	—
1961	405,975	+12.3%
1971	476,209	+17.3%
1981	511,425	+7.4%
1991	522,147	+2.1%
2001	537,500	+2.9%
2011	586,735	+9.2%
2021	594,941	+1.4%
Source: ISTAT

As of 31 December 2017, the main comuni (sg.: comune) by population are:

City	Population
Como	83,320
Cantù	39,917
Mariano Comense	24,908
Erba	16,365
Olgiate Comasco	11,651
Lomazzo	9,945
Lurate Caccivio	9,893
Fino Mornasco	9,845
Turate	9,506
Cermenate	9,204

The Lugano Prealps cover the territory of the province, and the most important body of water is the glacial Lake Como.

• Alessandro Volta
• Antonio Sant'Elia
• Giuseppe Terragni

• Official website (in Italian)
• Media related to Province of Como (category) at Wikimedia Commons