Langton Long Blandford
{{Short description|Village and civil parish in Dorset, England}}
{{Use dmy dates|date=October 2019}}
{{Infobox UK place
|country = England
|official_name = Langton Long Blandford
|coordinates = {{coord|50.8528|-2.1457|display=inline,title}}
|static_image_name = The Old Rectory, Langton Long - geograph.org.uk - 1317414.jpg
|static_image_caption = The Old Rectory
|map_type = Dorset
| unitary_england= Dorset
| lieutenancy_england= Dorset
|post_town = Blandford Forum
|postcode_area = DT
|postcode_district = DT11
|constituency_westminster = North Dorset
|region = South West England
|os_grid_reference = ST897059
|population=130
}}
Langton Long Blandford, often abbreviated to Langton Long or just Langton, is a small village and civil parish in Dorset in southern England. It is sited by the River Stour, approximately {{convert|3/4|mi|km|1|abbr=off}} southeast of Blandford Forum. In the 2021 census, the parish had a population of 130 people in 50 households.{{update after|2032}}
Forming the southeastern line of the parish boundary is an old track linking prehistoric Buzbury Rings, on nearby Keyneston Hill, to a ford over the river.{{cite book|title=North Dorset Official District Guide|publisher=Home Publishing Co. Ltd|author=North Dorset District Council|page=37|year=c. 1983}}Ordnance Survey 1:25,000 scale 'Pathfinder' map, sheet ST 80/90 (Blandford Forum), 1972
St Leonards farmhouse used to house a leper hospital.