Les Thilliers-en-Vexin

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

{{Infobox French commune

|name = Les Thilliers-en-Vexin

|commune status = Commune

|arrondissement = Les Andelys

|canton = Gisors

|INSEE = 27633

|postal code = 27420

|mayor = Paul Gaillard{{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 =

|coordinates = {{coord|49.2372|1.61|format=dms|display=inline,title}}

|elevation m = 127

|elevation min m = 115

|elevation max m = 132

|area km2 = 1.57

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

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

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

}}

Les Thilliers-en-Vexin is a commune in the Eure department in Normandy in northern France.