Ian is a common given name of Scottish Gaelic origin. It is a version of the name John.
Ian or IAN may also refer to:
IAN Inferior alveolar nerve, in biology International Article Number Internet area network IATA airport code for Bob Baker Memorial Airport, Kiana, Alaska
Ian "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 Mount Ian, a mountain in New Zealand
See also IANS (disambiguation)