Chatelain may refer to: Châtelain, the French equivalent of the English castellan, i.e. the commander of a castle Chatelain (surname) Châtelain, Mayenne,s a commune in the Mayenne department in north-western France Camblain-Châtelain, a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France Lignières-Châtelain, a commune in the Somme department in Picardie in northern France USS Chatelain (DE-149), a destroyer escort built for the U.S. Navy during World War II See also Chatelaine (disambiguation) Chastel (disambiguation) Chatel (disambiguation) Chateau (disambiguation)