Montmor is a surname. Notable people with the surname include:
(1581–1636), French ecclesiastic and coadjutor Henri Louis Habert de Montmor (1600–1679), French scholar, man of letters, and nephew of the above Montmor Academy, based in the house of the above, it lasted from 1657 until 1664 (1644–1695), French ecclesiastic, bishop of Elne-Perpignan, and son of the above
See also , a private mansion located in the 3rd arrondissement of Paris that lasted from 1630 until 1925