Billy-sur-Ourcq

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

{{Expand French|topic=geo|date=December 2008|Billy-sur-Ourcq}}

{{Infobox French commune

|name = Billy-sur-Ourcq

|commune status = Commune

|image = Saint martin de billy sur ourcq (3).JPG

|caption = The church of Billy-sur-Ourcq

|image coat of arms =

|arrondissement = Soissons

|canton = Villers-Cotterêts

|INSEE = 02090

|postal code = 02210

|mayor = Françoise Emond{{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 = Oulchy le Château

|coordinates = {{coord|49.2186|3.3025|format=dms|display=inline,title}}

|elevation m = 153

|elevation min m = 105

|elevation max m = 194

|area km2 = 10.17

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

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

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

}}

Billy-sur-Ourcq is a commune in the department of Aisne in Hauts-de-France in northern France.