Odeon Cinemas Limited, trading as Odeon (stylised in all caps), is a cinema brand name operating in the United Kingdom, Ireland, Norway and Greece, which along with UCI Cinemas and Nordic Cinema Group is part of the Odeon Cinemas Group subsidiary of AMC Theatres.

The (also called Herodeion or Herodion;The Biggest Cultural Event of the Year in Athens and It’s In Our Backyard!, 3/2/2018, "known locally as the Herodion" ) a stone Roman theatreOne variation of the Roman theater was the odeon, a small, completely roofed theater intended for poetry readings and music performances (for example, the Odeon of Herodes Atticus on the southern slope of the Athenian Acropolis).

The (Monégasque: Turre Odeu̍n) a double-skyscraper in the Principality of Monaco.

Odeon Cinemas Group Limited is Europe's largest cinema operator.

one of North America's largest movie theatre operators and live theatre, with theatres in its home country of Canada and the United States.

a prominent cinema building in the West End of London.

a triple album by Frank Zappa, recorded on January 25, 26 & 27, 1978 and February 28, 1978, and released posthumously in 2010 by the Zappa Family Trust.

a 1994 live album by the British singer Kate Bush.