Guincourt

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

{{Expand French|topic=geo|date=December 2008|Guincourt}}

{{Infobox French commune

|name = Guincourt

|commune status = Commune

|image = Guincourt (Ardennes) mairie.JPG

|caption = The town hall in Guincourt

|arrondissement = Vouziers

|canton = Attigny

|INSEE = 08204

|postal code = 08130

|mayor = Dominique Pierre{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/en/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=9 August 2021|language=fr}}

|term = 2020–2026

|intercommunality = Crêtes Préardennaises

|coordinates = {{coord|49.5581|4.6269|format=dms|display=inline,title}}

|elevation m = 149

|elevation min m =

|elevation max m =

|area km2 = 5.31

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

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

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

| website = https://guincourt.fr/

}}

Guincourt ({{IPA|fr|ɡɛ̃kuʁ}}) is a commune in the Ardennes department in northern France, in the former county of Vermandois. It lies just off the old road between Tourteron and Saint-Loup-Terrier.