Montresor can refer to any of the following:
Literature
- Montresor, character in The Cask of Amontillado
- Montresor, the bat ridden by "Iron Tail" in the childrens movie Here Comes Peter Cottontail
People
- Adelaide Montresor, née Adelaide Malanotte (1785-1832), Italian opera singer
- Beni Montresor (1926–2001), artist and illustrator
- Claude de Bourdeille, comte de Montrésor (c. 1606–1663), French aristocrat
- Frederick Montresor (1811-1887), British admiral
- Henry Montresor (1767-1837), British army general
- James Gabriel Montresor (1704–1776), British military engineer
- John Montresor (1736–1799), British military engineer and cartographer
- Maxminio Montresor (1980– ), Brazilian football goalkeeper
Geography
- Montrésor, a commune in the Indre-et-Loire department in central France
- Château de Montrésor, a medieval castle in that commune
- Randall's Island, called Montresor's Island in the 18th century, an island in the East River in New York City