Signy-l'Abbaye

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

{{Expand French|topic=geo|date=December 2008|Signy-l'Abbaye}}

{{Infobox French commune

|name = Signy-l'Abbaye

|commune status = Commune

|image = Halle Mairie de Signy 01948.jpg

|caption = The town hall in Signy-l'Abbaye

|image coat of arms = Blason Signy-l'Abbaye.svg

|arrondissement = Charleville-Mézières

|canton = Signy-l'Abbaye

|INSEE = 08419

|postal code = 08460

|mayor = Jean-Paul Dosière{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality = Crêtes Préardennaises

|coordinates = {{coord|49.6983|4.4211|format=dms|display=inline,title}}

|elevation m = 155

|elevation min m =

|elevation max m =

|area km2 = 62.03

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

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

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

}}

Signy-l'Abbaye ({{IPA|fr|siɲi labe.i}}) is a commune in the department of Ardennes, in the north-eastern French region of Grand Est.