Loisy

Loisy may refer to:


 * Surname
 * Alfred Loisy (1857-1940), French theologian


 * Places
 * Loisy, Meurthe-et-Moselle, a commune in the French region of Lorraine
 * Loisy, Saône-et-Loire, a commune in the French region of Bourgogne
 * Loisy-en-Brie, a commune in the French region of Champagne-Ardenne
 * Loisy-sur-Marne, a commune in the French region of Champagne-Ardenne
 * Grivy-Loisy, a commune in the French region of Ardennes