Dunbarton is an alternative spelling of Dumbarton, a town in Scotland.
Dunbarton may also refer to:
Places Canada Dunbarton, a community of Pickering, Ontario
Scotland Dunbartonshire, a county Dunbartonshire (UK Parliament constituency) Dunbartonshire and Argyll & Bute, an administrative division
United States Dunbarton, New Hampshire Dunbarton, South Carolina Dunbarton, Wisconsin
Educational institutions Dunbarton College of the Holy Cross, former college in Washington, D.C., United States Dunbarton High School, Pickering, Ontario, Canada
See also Dumbarton (disambiguation)