Dorset is a town in Bennington County, Vermont, United States. The population was 2,133 at the 2020 census. Dorset is famous for being the location of Cephas Kent's Inn, where four meetings of the Convention that signed the Dorset Accords led to the independent Vermont Republic and future statehood. Dorset is the site of America's oldest marble quarry and is the birthplace of Bill W., co-founder of Alcoholics Anonymous. East Dorset is the site of the Wilson House and the Griffith Library. The town is named after the English county of Dorset.

Bennington County is a county in the U.S. state of Vermont. As of the 2020 census, the population was 37,347. The shire towns are jointly Bennington and Manchester, and the largest municipality is Bennington. The county was created in 1778.