Montier may refer to:

Places United States Montier, Missouri, a census-designated place in southwestern Shannon County Montier Township, Shannon County, Missouri

France Montier-en-Der, a former commune in the Haute-Marne department in north-eastern France Montier-en-Der Abbey, a former Benedictine, later Cluniac, abbey, dissolved during the French Revolution Montier-en-l'Isle, a commune in the Aube department in north-central France Montiers, a commune in the Oise department in northern France Montiers-sur-Saulx, a commune in the Meuse department in Grand Est in north-eastern France Forest-Montiers, a commune in the Somme department in Hauts-de-France in northern France

People Charles Montier, a French racing driver and automotive engineer Ferdinand Montier, a French racing driver, son of Charles Neil Montier, a London-born photographer and digital artist

Other Montier & Gillet, a French automobile manufactured only in 1897