Fontenailles, Seine-et-Marne

{{Infobox French commune

|name = Fontenailles

|commune status = Commune

|image = Fontenailles mairie.jpg

|caption = Town hall of Fontenailles

|image coat of arms = Blason de la ville de Fontenailles (Seine-et-Marne).svg

|coordinates = {{coord|48.5557|2.9527|format=dms|display=inline,title}}

|INSEE = 77191

|postal code = 77370

|arrondissement = Provins

|canton = Nangis

|mayor = Ghislaine Harscoet{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality = CC Brie Nangissienne

|elevation min m = 92

|elevation max m = 130

|area km2 = 27.44

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

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

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

}}

Fontenailles ({{IPA|fr|fɔ̃tnaj|-|LL-Q150 (fra)-Persepha-Fontenailles.wav}}) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.