Cochrane is a town in the Calgary Metropolitan Region of Alberta, Canada. The town is located 18 km (11 mi) west of the Calgary city limits along Highway 1A. Cochrane is one of the fastest-growing communities in Canada, and with a population of 32,199 in 2021, it is one of the largest towns in Alberta. It is part of Calgary's census metropolitan area and a member community of the Calgary Metropolitan Region Board (CMRB). The town is surrounded by Rocky View County.

The Calgary Metropolitan Region (CMR), also commonly referred to as the Calgary Region, is a conglomeration of municipalities centred on Calgary, the largest city in Alberta.