Montag is German for Monday. It may also refer to:
People
Carol Montag, American folk singer-songwriter
Heidi Montag, one of the main cast members on MTV's The Hills, sister of Holly Montag Holly Montag (born 1983), American television personality Jan-Marco Montag (born 1983), German field hockey player Jemima Montag (born 1998), Australian female racewalker Jerzy Montag (born 1947), German politician of Polish birth Montag (musician), stage name of Canadian electronic musician Antoine Bédard Shirley Montag Almon (1935–1975), American economist Sven Montag, German sprint canoer Warren Montag (born 1952), American academic Wolf-Dieter Montag (1924–2018), German physician and international sports administrator
Fictional characters
Fräulein Montag, character in Franz Kafka's novel The Trial
Guy Montag, central character in Ray Bradbury's 1953 novel Fahrenheit 451
Other
Guy Montag Doe v. San Francisco Housing Authority, lawsuit by the National Rifle Association Montag aus Licht, opera from Karlheiz Stockhausen's cycle Licht Montag Hall (Georgia Tech) (Harold E. Montag Hall), residence hall at the Georgia Institute of Technology