Saint-Vaast

Saint Vaast or Saint-Vaast may refer to:
 * Vedast, (died c. 540), Frankish bishop
 * Abbey of St. Vaast, a former Benedictine monastery

Belgium

 * Saint-Vaast, a commune, merged into La Louvière

France

 * Airon-Saint-Vaast, in the Calvados department
 * Aubin-Saint-Vaast, in the Pas-de-Calais department
 * Biache-Saint-Vaast, in the Pas-de-Calais department
 * Neuville-Saint-Vaast, in the Pas-de-Calais department
 * Saint-Vaast-en-Auge, in the Pas-de-Calais department
 * Saint-Vaast-en-Cambrésis, in the Nord department
 * Saint-Vaast-en-Chaussée, in the Somme department
 * Saint-Vaast-Dieppedalle, in the Seine-Maritime department
 * Saint-Vaast-d'Équiqueville, in the Seine-Maritime department
 * Saint-Vaast-la-Hougue, in the Manche department
 * Saint-Vaast-de-Longmont, in the Oise department
 * Saint-Vaast-lès-Mello, in the Oise department
 * Saint-Vaast-sur-Seulles, in the Calvados department
 * Saint-Vaast-du-Val, in the Seine-Maritime department