Fossoy

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

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

{{Infobox French commune

|name = Fossoy

|commune status = Commune

|image = Eglise St Georges - Fossoy.jpg

|caption = The church of Fossoy

|image coat of arms =

|arrondissement = Château-Thierry

|canton = Château-Thierry

|INSEE = 02328

|postal code = 02650

|mayor = Hervé Leduc{{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|49.0492|3.4833|format=dms|display=inline,title}}

|elevation m = 100

|elevation min m = 61

|elevation max m = 234

|area km2 = 7.18

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

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

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

}}

Fossoy ({{IPA|fr|foswa}}) is a commune in the Aisne department in Hauts-de-France in northern France.