Montenay

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

{{Infobox French commune

|name = Montenay

|commune status = Commune

|image = Ancienne mairie montenay.jpg

|caption = The old town hall in Montenay

|image coat of arms =

|arrondissement = Mayenne

|canton = Ernée

|mayor = Gervais Hameau{{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

|coordinates = {{coord|48.2892|-0.8914|format=dms|display=inline,title}}

|elevation m = 109

|elevation min m = 94

|elevation max m = 208

|area km2 = 37.20

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

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

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

|INSEE = 53155

|postal code = 53500

}}

Montenay ({{IPA|fr|mɔ̃tnɛ}}) is a commune in the Mayenne department in north-western France.