Pierrelaye

{{Infobox French commune

|name = Pierrelaye

|commune status = Commune

|image = Pierrelaye Mairie.JPG

|caption = The town hall of Pierrelaye

|image coat of arms =

|coordinates = {{coord|49.0233|2.1508|format=dms|display=inline,title}}

|arrondissement = Argenteuil

|canton = Taverny

|intercommunality = CA Val Parisis

|mayor = Michel Vallade{{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

|elevation min m = 35

|elevation max m = 78

|area km2 = 9.21

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

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

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

|INSEE = 95488

|postal code = 95480

|}}

Pierrelaye ({{IPA|fr|pjɛʁlɛ|-|Fr-Paris--Pierrelaye.ogg}}) is a commune in the Val-d'Oise department in Île-de-France in northern France. Pierrelaye station has rail connections to Pontoise and Paris.