Ecquevilly

{{Infobox French commune

|name = Ecquevilly

|commune status = Commune

|image = Ecquevilly - Mairie01.jpg

|caption = Town hall

|image coat of arms = Blason Ecquevilly01.svg

|arrondissement = Mantes-la-Jolie

|canton = Les Mureaux

|INSEE = 78206

|postal code = 78920

|mayor = Marc Herz{{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 = CU Grand Paris Seine et Oise

|coordinates = {{coord|48.9508|1.9222|format=dms|display=inline,title}}

|elevation m = 83

|elevation min m = 33

|elevation max m = 181

|area km2 = 11.27

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

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

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

}}

Ecquevilly ({{IPA|fr|ɛkviji}}) is a commune in the Yvelines department in the Île-de-France in north-central France.