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