Fleigneux

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

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

{{Infobox French commune

|name = Fleigneux

|commune status = Commune

|image = Fleigneux 5.JPG

|caption = The town hall

|image coat of arms = Blason Fleigneux.svg

|arrondissement = Sedan

|canton = Sedan-2

|INSEE = 08170

|postal code = 08200

|mayor = Pierre Cornet{{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 Ardenne Métropole

|coordinates = {{coord|49.7486|4.9492|format=dms|display=inline,title}}

|elevation m = 270

|elevation min m = 199

|elevation max m = 421

|area km2 = 13.65

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

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

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

}}

Fleigneux is a commune in the Ardennes department in northern France.