Adun may refer to:
- a molecular dynamics simulation application
- Adun (StarCraft), a fictional Protoss character in StarCraft
- an alternative name for the ancient city of Dion, Palestine
- another word for Dúnedain in J. R. R. Tolkien's legendarium
- name of a fictional river in the novel "Far from Moscow" (Russ. "Daleko ot Moskvy") by Vasily Azhaev
Usage examples of "adun".
Dúnedain, Adûnaic adun in adunakhôr, Anadûnë was a loan from Eldarin speech.