Aradan may refer to:
- Aradan, Ilam, a village in Ilam Province, Iran
- Aradan District, an administrative subdivision of Semnan Province, Iran
- Aradan, Iran, capital of Aradan County, Semnan Province, Iran
- Aradan County, a county in Semnan Province in Iran
- Characters in Lord of the Rings, see Hador#The House of Hador