Ian is a common given name, the Scottish Gaelic version of the name John.
Ian or IAN may also refer to:
IAN
edit- Inferior alveolar nerve, in biology
- International Article Number
- Internet area network
- IATA airport code for Bob Baker Memorial Airport, Kiana, Alaska
Ian
edit- "Ian", a song by White Town from Socialism, Sexism & Sexuality
- Ian., the abbreviation of the month of January in the Roman calendar
- ian (rapper), American rapper, songwriter and record producer
- List of storms named Ian