North Attleborough, alternatively spelled North Attleboro, is a city in Bristol County, Massachusetts, United States. The population was 30,834 at the 2020 United States Census.

Bristol County is a county in the Commonwealth of Massachusetts. As of the 2020 census, the population was 579,200. The shire town is Taunton. Some governmental functions are performed by the Commonwealth of Massachusetts, others by the county, and others by local towns and cities.