Asnières-sur-Oise

{{Infobox French commune

|name = Asnières-sur-Oise

|commune status = Commune

|image = Abbaye de Royaumont - Cloître et bâtiment des moines 01.jpg

|caption = Royaumont Abbey, the cloister and the monks' building

|image coat of arms = Blason ville fr Asnières-sur-Oise (Val-d'Oise).svg

|coordinates = {{coord|49.1342|2.3567|format=dms|display=inline,title}}

|arrondissement = Sarcelles

|canton = L'Isle-Adam

|intercommunality = CC Carnelle - Pays France

|mayor = Eric Therry{{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=6 June 2023|language=fr}}

|term = 2023–2026

|elevation min m =

|elevation max m =

|area km2 = 14.07

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

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

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

|INSEE = 95026

|postal code = 95270

}}

Asnières-sur-Oise ({{IPA|fr|ɑnjɛʁ syʁ waz|-|Fr-Asnières-sur-Oise.ogg}}; literally "Asnières on Oise") is a commune in the Val-d'Oise department in Île-de-France in northern France. The 13th–18th century Royaumont Abbey is located in the commune.{{Base Mérimée|PA00079987|Abbaye de Royaumont}}