Dorchester ist der Name mehrerer
Orte in England: Dorchester (Dorset) Dorchester (Oxfordshire)
in Kanada: Dorchester (Ontario) Dorchester (New Brunswick)
in den Vereinigten Staaten: Dorchester (Boston) Dorchester (Illinois) Dorchester (Iowa) Dorchester (Massachusetts) Dorchester (Nebraska) Dorchester (New Hampshire) Dorchester (New Jersey) Dorchester (South Carolina) Dorchester, Wüstung in South Carolina, siehe Old Dorchester Dorchester (Texas) Dorchester (Wisconsin) Dorchester Township (Illinois) Dorchester County (Maryland) Dorchester County (South Carolina)
Sonstiges: Guy Carleton, 1. Baron Dorchester, britischer General Ford Dorchester, PKW USS Dorchester (APB-46), Landungsschiff der US Navy USS Dorchester (SP-1509), Schoner der US Navy USAT Dorchester, Transportschiff der US Army Dorchester Company, eine US-amerikanische Siedlungsgesellschaft im 17. Jahrhundert Hub Motor Car Exchange, ehemaliger US-amerikanischer Automobilhersteller mit dem Markennamen Dorchester The Dorchester, das Dorchester-Hotel in London, England
im NRHP gelistete Objekte: Dorchester Academy Boys’ Dormitory, in Midway, Georgia, ID-Nr. 86001371 Dorchester Common Historic District, in Dorchester, New Hampshire, ID-Nr. 85000477 Dorchester Community Church, in Dorchester, New Hampshire, ID-Nr. 80000284 Dorchester County Courthouse and Jail, in Cambridge, Maryland, ID-Nr. 82001591 Dorchester Heights Historic District, in Dorchester, Massachusetts, ID-Nr. 01001198 Dorchester Heights National Historic Site, in Boston, Massachusetts, ID-Nr. 66000050 Dorchester House, in Lincoln City, Oregon, ID-Nr. 80003337 Dorchester Lower Mills Library, in Boston, Massachusetts, ID-Nr. 88000432 Dorchester North Burying Ground, in Boston, Massachusetts, ID-Nr. 74000915 Dorchester Park, in Boston, Massachusetts, ID-Nr. 08000089 Dorchester Pottery Works, in Boston, Massachusetts, ID-Nr. 85000318 Dorchester Temple Baptist Church, in Boston, Massachusetts, ID-Nr. 97001239 Dorchester-Milton Lower Mills Industrial District, in Boston, Massachusetts, ID-Nr. 80000675