Allainville, Yvelines

{{Infobox French commune

|name = Allainville

|commune status = Commune

|image = Allainville-78-A02.jpg

|caption = The town hall in Allainville

|image coat of arms =

|arrondissement = Rambouillet

|canton = Rambouillet

|INSEE = 78009

|postal code = 78660

|mayor = Gilles Quinton{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}

|term = 2020–2026

|intercommunality = CA Rambouillet Territoires

|coordinates = {{coord|48.45|1.89|format=dms|display=inline,title}}

|elevation m = 154

|elevation min m = 145

|elevation max m = 159

|area km2 = 16.30

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

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

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

}}

Allainville ({{IPA|fr|alɛ̃vil}}) is a commune in the Yvelines department in north-central France.