Gastins

{{Infobox French commune

|name = Gastins

|commune status = Commune

|image = Windmill de Choix near Gastins Seine et Marne P1080838.JPG

|caption = The Choix windmill in Gastins

|image coat of arms = Blason ville fr Gastins (Seine-et-Marne).svg

|coordinates = {{coord|48.6294|3.0217|format=dms|display=inline,title}}

|INSEE = 77201

|postal code = 77370

|arrondissement = Provins

|canton = Nangis

|mayor = Arnaud Pommier{{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 = CC Brie Nangissienne

|elevation min m = 93

|elevation max m = 139

|area km2 = 14.95

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

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

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

}}

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