Rizaucourt-Buchey

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

{{Infobox French commune

|name = Rizaucourt-Buchey

|commune status = Commune

|image = Rizaucourt-Buchey - maisons.jpg

|caption = Houses within Rizaucourt-Buchey

|image coat of arms = Blason ville fr Rizaucourt-Buchey (Haute-Marne).svg

|arrondissement = Chaumont

|canton = Châteauvillain

|INSEE = 52426

|postal code = 52330

|mayor = Christine Henry{{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 = CA Chaumont

|coordinates = {{coord|48.2794|4.8664|format=dms|display=inline,title}}

|elevation m = 254

|elevation min m =

|elevation max m =

|area km2 = 15.07

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

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

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

|demonym = Rizaucourtois, Rizaucourtoises

}}

Rizaucourt-Buchey ({{IPA|fr|ʁizokuʁ byʃɛ}}) is a commune in the Haute-Marne department in north-eastern France.