Octeville-l'Avenel

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

{{Infobox French commune

|name = Octeville-l'Avenel

|commune status = Commune

|image = FranceNormandieOctevilleLAvenelEglise.jpg

|caption = The church of Saint-Martin

|arrondissement = Cherbourg

|canton = Val-de-Saire

|INSEE = 50384

|postal code = 50630

|mayor = Isabelle Lechevalier{{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 Cotentin

|coordinates = {{coord|49.5442|-1.3531|format=dms|display=inline,title}}

|elevation m = 40

|elevation min m = 20

|elevation max m = 82

|area km2 = 6.86

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

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

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

}}

Octeville-l'Avenel is a commune in the Manche department in Normandy in north-western France.