Kaon may refer to:
- Kaon, a subatomic particle
- KAON, an ontology infrastructure
- Kaon Interactive, a video game developer of Terra (computer game)
- Kaon, a character in the Japanese manga Kyoshiro to Towa no Sora
- Kaón, former name of a mountain from Denia, Spain, now called Montgo
- Kaon, A city on Cybertron in Transformers Prime, where Megatron began his reign as a Decepticon and made his capitol
- KAONMEDIA, a South Korean company manufacturing connectivity devices.
- Birra Kaon, an Albanian beer.