Sainteny

{{Infobox French commune

|name = Sainteny

|image = Église Saint-Pierre de Sainteny (2).JPG

|caption = The church of Saint-Pierre

|arrondissement = Saint-Lô

|canton = Carentan

|INSEE = 50564

|postal code = 50500

|commune = Terre-et-Marais

|coordinates = {{coord|49.2389|-1.3128|format=dms|display=inline,title}}

|elevation m = 23

|elevation min m = 2

|elevation max m = 26

|area km2 = 21.63

|population = 877

|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}}

}}

Sainteny ({{IPA|fr|sɛ̃tni}}) is a former commune in the Manche department in Normandy in northwestern France.{{Cassini-Ehess|31542|Sainteny}} On 1 January 2016, it was merged into the new commune of Terre-et-Marais.[https://www.legifrance.gouv.fr/eli/arrete/2015/12/16/INTB1600609A/jo/texte Arrêté préfectoral] 16 December 2015 {{in lang|fr}}