Fay-lès-Marcilly

{{short description|Commune in Grand Est, France}}

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

{{Expand French|topic=geo|date=December 2008|Fay-lès-Marcilly}}

{{Infobox French commune

|name = Fay-lès-Marcilly

|commune status = Commune

|arrondissement = Nogent-sur-Seine

|canton = Saint-Lyé

|INSEE = 10146

|postal code = 10290

|mayor = Jérémy Flogny{{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 = Orvin et Ardusson

|coordinates = {{coord|48.4036|3.6033|format=dms|display=inline,title}}

|elevation m = 162

|elevation min m =

|elevation max m =

|area km2 = 5.76

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

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

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

}}

Fay-lès-Marcilly ({{IPA|fr|fɛ lɛ maʁsiji}}) is a commune in the Aube department in north-central France.