Marby

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

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

{{Infobox French commune

|name = Marby

|commune status = Commune

|image = Marby (Ardennes) église.JPG

|caption = The church in Marby

|image coat of arms = Blason Marby.svg

|arrondissement = Charleville-Mézières

|canton = Signy-l'Abbaye

|INSEE = 08273

|postal code = 08260

|mayor = Marie-Claire Doré{{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 =

|coordinates = {{coord|49.8297|4.4303|format=dms|display=inline,title}}

|elevation m = 306

|elevation min m =

|elevation max m =

|area km2 = 7.35

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

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

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

}}

Marby ({{IPA|fr|maʁbi}}) is a commune in the Ardennes department in northern France.