Marcillac (disambiguation)

Marcillac is a commune in the Gironde department in southwestern France.

Marcillac may also refer to:


 * Marcillac AOC, an Appellation d'Origine Contrôlée for wine from the Aveyron department
 * Marcillac-Vallon, a commune in the Aveyron department in southern France
 * Marcillac-Lanville, a commune in the Charente department in southwestern France
 * Marcillac-la-Croisille, a commune in the Corrèze department in central France
 * Marcillac-la-Croze, a commune in the Corrèze department in central France
 * Marcillac-Saint-Quentin, a commune in the Dordogne department in southwestern France
 * Members of the House of La Rochefoucauld, whose titles include "Prince of Marcillac"