Saulx

Saulx may refer to:
 * Saulx (river), a river in France
 * Saulx, Haute-Saône, France
 * Saulx-le-Duc, Côte-d'Or, France
 * Saulx-lès-Champlon, Meuse, France
 * Saulx-les-Chartreux, Essonne, France
 * Saulx-Marchais, Yvelines, France
 * Gaspard de Saulx (1509–1575), French military leader