noun

• (physics) the atomic mass unit
• A habitational surname from Old English.
• John Dalton, English chemist.
• A male given name transferred from the surname.
• Any of several places in the north of England and in Scotland
• A hamlet in Burton-in-Kendal parish, Cumbria, England (OS grid ref SD5476).
• A hamlet and civil parish in West Lancashire district, Lancashire, England, north of Skelmersdale (OS grid ref SD4908).
• A hamlet south of Hexham, Northumberland, England (OS grid ref NY9158).
• A hamlet west of Ponteland, Northumberland (OS grid ref NZ1172)
• A village and civil parish in Hambleton district, North Yorkshire, England (OS grid ref SE4376).
• A village and civil parish in Richmondshire district, North Yorkshire (OS grid ref NZ1108).
• A village and civil parish in the Metropolitan Borough of Rotherham, South Yorkshire, England (OS grid ref SK4594).
• An eastern suburb of Huddersfield, Metropolitan Borough of Kirklees, West Yorkshire, England (OS grid ref SE1617).
• A hamlet in Dumfriesshire, Dumfries and Galloway council area, Scotland (OS grid ref NY1174).
• A hamlet near Flemington, South Lanarkshire council area, Scotland (OS grid ref NS6658).
• A number of places in the United States:
• A city, the county seat of Whitfield County, Georgia.
• A township and unincorporated community therein, in Wayne County, Indiana.
• An unincorporated community in Sumner County, Kansas.
• A town in Berkshire County, Massachusetts.
• A township in Muskegon County, Michigan.
• A minor city in Otter Tail County, Minnesota.
• A small village in Chariton County, Missouri.
• A village in Cheyenne County, Nebraska.
• A town in Coos County, New Hampshire
• A hamlet and census-designated place in Nunda and Portage, Livingston County, New York.
• An unincorporated community in Stokes County, North Carolina.
• A village in Wayne County, Ohio.
• A borough in Lackawanna County, Pennsylvania.
• A census-designated place in Kingston, Green Lake County, Wisconsin.
• An abandoned village in Unorganized North Algoma District, Ontario, Canada; some buildings are used as summer cottages.
• A township within Kawartha Lakes, Ontario.
• A village in KwaZulu-Natal, South Africa.
• A small town in the Southern Tablelands of New South Wales, Australia.
• A settlement (moshav) in northern Israel.
• (chemistry) a former unit of atomic mass equivalent to 1/16 the mass of an oxygen atom; now replaced by the atomic mass unit (or dalton)
• Short for Dalton Highway.