Marcillac

{{other uses}}

{{Infobox French commune

|name = Marcillac

|arrondissement = Blaye

|canton = L'Estuaire

|INSEE = 33267

|postal code = 33860

|commune = Val-de-Livenne

|coordinates = {{coord|45.2697|-0.5217|format=dms|display=inline,title}}

|elevation m = 50

|elevation min m = 7

|elevation max m = 82

|area km2 = 32.23

|population = 1130

|population date = 2022

|population footnotes = {{cite web|url=https://www.insee.fr/fr/statistiques/fichier/8290591/ensemble.pdf|title=Populations de référence 2022|language=fr|trans-title=Reference populations 2022|publisher=INSEE|date=December 2024}}

}}

Marcillac ({{IPA|fr|maʁsijak}}; {{langx|oc|Marcilhac}}) is a former commune in the Gironde department in Nouvelle-Aquitaine in southwestern France. On 1 January 2019, it was merged into the new commune Val-de-Livenne.[https://www.legifrance.gouv.fr/eli/arrete/2018/10/1/TERB1905121A/jo/texte Arrêté préfectoral] 1 October 2018 {{in lang|fr}}