Lonny, Ardennes

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

{{about|a French commune|people with given name Lonny or Lonnie|Lonnie|the American online magazine|Lonny (magazine)}}

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

{{Infobox French commune

|name = Lonny

|commune status = Commune

|image = Lonny (Ardennes) église, chevet.JPG

|caption = The church in Lonny

|image coat of arms = Blason Lonny.svg

|arrondissement = Charleville-Mézières

|canton = Rocroi

|INSEE = 08260

|postal code = 08150

|mayor = Mickaël Leclère{{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 = Vallées et Plateau d'Ardenne

|coordinates = {{coord|49.8164|4.5883|format=dms|display=inline,title}}

|elevation m = 342

|elevation min m =

|elevation max m =

|area km2 = 4.69

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

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

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

}}

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