Saint-Pierre-du-Mesnil

{{Infobox French commune

|name = Saint-Pierre-du-Mesnil

|arrondissement = Bernay

|canton = Bernay

|INSEE = 27596

|postal code = 27330

|commune = Mesnil-en-Ouche

|image = Château de Blanc-Buisson.jpg

|caption = Blanc-Buisson Castle

|coordinates = {{coord|48.9356|0.5781|format=dms|display=inline,title}}

|elevation m = 208

|elevation min m = 195

|elevation max m = 212

|area km2 = 7.92

|population = 90

|population date = 2022

|population footnotes = {{cite web|url=https://www.insee.fr/fr/statistiques/fichier/8290591/ensemble.pdf|title=Populations de référence 2022|language=fr|trans-title=Reference populations 2022|publisher=INSEE|date=December 2024}}

}}

Saint-Pierre-du-Mesnil ({{IPA|fr|sɛ̃ pjɛʁ dy mɛnil}}) is a former commune in the Eure department in Normandy in northern France. On 1 January 2016, it was merged into the new commune of Mesnil-en-Ouche.[https://www.legifrance.gouv.fr/eli/arrete/2015/12/9/INTB1532333A/jo/texte Arrêté préfectoral] 9 December 2015 {{in lang|fr}}