Longemaison

{{Use dmy dates|date=August 2023}}

{{Infobox French commune

|name = Longemaison

|commune status = Commune

|image = Longemaison1.JPG

|caption = The church in Longemaison

|coordinates = {{coord|47.0822|6.46|format=dms|display=inline,title}}

|INSEE = 25343

|postal code = 25690

|arrondissement = Pontarlier

|canton = Valdahon

|mayor = Claude Brisebard{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}

|term = 2020–2026

|intercommunality =

|elevation min m = 730

|elevation max m = 1091

|area km2 = 9.63

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Longemaison ({{IPA|fr|lɔ̃ʒmɛzɔ̃}}) is a commune in the Doubs département in the Bourgogne-Franche-Comté region in eastern France.