Langdon may refer to:
Places
Australia
- Langdon, Queensland, a neighbourhood in the Mackay Region
Canada
- Langdon, Alberta, a hamlet
United Kingdom
- Langdon, Cornwall, a hamlet
- Langdon, Kent, a civil parish
- Langdon, Pembrokeshire
United States
- Langdon, Iowa, an unincorporated community
- Langdon, Kansas, a city
- Langdon, a village which later became part of Cottage Grove, Minnesota
- Langdon, New Hampshire, a town
- Langdon, North Dakota, a city
- Langdon, Washington, D.C., a neighborhood
- Langdon, Minnesota, a former settlement
- Lake Langdon, Minnesota
- Langdon Lake, Oregon
As a name
- Langdon (surname), various people
- Langdon (given name), various people
Other uses
- Langdon Abbey, West Langdon, Kent, England
- Langdon Academy, a co-educational all-through school in the London Borough of Newham, England
- Langdon Hall, Auburn University, Auburn, Alabama, United States
See also
- East Langdon, Kent
- West Langdon, Kent
- Langdon Bay (Kent)
- Langdon Court, Devon, a former manor house
- Langdon Hills, Essex
- Landon, a variant spelling