The Ancient One (Kaos), a character from the anime Ronin Warriors

KAOS (Get Smart), a fictional spy agency in the television series Get Smart

KAOS ("Killing as organised sport"), an alternative name for Assassins (game)

KAOS, the cyborgnetic leader of the Kremling Krew in Donkey Kong Country 3: Dixie Kong's Double Trouble!

Radio K.A.O.S., a 1987 concept album by Roger Waters

KAOS, a 1958 novelty 45 RPM record by Stanley Ralph Ross and Bob Arbogast

KAOS (FM), 89.3 FM Olympia Community Radio

Kaos (film), a 1984 Italian film directed by Paolo and Vittorio Taviani

Kaos, professional wrestler Joey Munoz

Kaos, the name by which Thai film director Wych Kaosayananda is credited in the film Ballistic: Ecks vs. Sever

KAOS (software development), a goal-oriented software requirements capturing approach in requirements engineering

Radio Kaos, a Mexican Rock band formed in Los Angeles in 1994

Kaos (album), an album by Bo Kaspers Orkester

Kent Applicative Operating System, a functional operating system concept

Radio KAOS (Slovenia), a cable/Internet radio station

Kaos of Iberia, an ancient king of Causasian Iberia