Coincy, Aisne

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

{{Expand French|topic=geo|date=December 2008|Coincy (Aisne)}}

{{Infobox French commune

|name = Coincy

|commune status = Commune

|image = Église Notre-Dame-de-l'Assomption de Coincy.JPG

|caption = The church of Coincy

|image coat of arms = Blason Coincy (Aisne).svg

|arrondissement = Château-Thierry

|canton = Château-Thierry

|INSEE = 02203

|postal code = 02210

|mayor = Alain Arnefaux{{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 = CA Région de Château-Thierry

|coordinates = {{coord|49.1617|3.4225|format=dms|display=inline,title}}

|elevation m = 102

|elevation min m = 91

|elevation max m = 218

|area km2 = 17.24

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

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

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

}}

Coincy ({{IPA|fr|kwɛ̃si}}) is a commune in the Aisne department in Hauts-de-France in northern France. It is located approximately {{convert|35|miles|km}} west of Reims (in Marne, Grand-Est).