Arsac

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

{{for|the UK government advisory body|Administration of Radioactive Substances Advisory Committee}}

{{Infobox French commune

| name = Arsac

| commune status = Commune

| image = Arsac.jpg

| caption = The town hall and church in Arsac

| image coat of arms =

| arrondissement = Lesparre-Médoc

| canton = Le Sud-Médoc

| INSEE = 33012

| postal code = 33460

| mayor = Frédéric Aurier{{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=6 June 2023|language=fr}}

| term = 2022–2026

| intercommunality = CC Médoc Estuaire

| coordinates = {{coord|44.9978|-0.6875|format=dms|display=inline,title}}

| elevation m = 15

| elevation min m = 5

| elevation max m = 41

| area km2 = 32.6

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

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

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

}}

Arsac ({{IPA|fr|aʁsak}}) is a commune in the Gironde department in south-western France.