Mansfield is a town in Bristol County, Massachusetts, United States. As of the United States 2020 Census, the town population is 23,860. Mansfield is in the south-southwest suburbs of Boston and is also close to Providence, Rhode Island. The village of Mansfield Center is located in the town. The town is twinned with Mansfield in Nottinghamshire, England.

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.