Maincy

{{Infobox French commune

|name = Maincy

|commune status = Commune

|image = Maincy mairie.jpg

|caption = The town hall in Maincy

|image coat of arms = Blason Maincy (Seine-et-Marne).svg

|coordinates = {{coord|48.55|2.7|format=dms|display=inline,title}}

|INSEE = 77269

|postal code = 77950

|arrondissement = Melun

|canton = Melun

|mayor = Alain Plaisance{{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 = CA Melun Val de Seine

|elevation min m = 42

|elevation max m = 103

|area km2 = 10.19

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

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

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

}}

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

The chateau of Vaux-le-Vicomte is located in the commune.