Ian or Iain is a name of Scottish Gaelic origin, derived from the Hebrew given name יוֹחָנָן (Yohanan, Yôḥānān) and corresponding to the English name John. The spelling Ian is an Anglicization of the Scottish Gaelic forename Iain. It is a very popular name in much of the English-speaking world and especially in Scotland, where it originated.
Ian Peterson is an American football player from Timeline of Austin, Texas who plays as a safety for the Kansas Jayhawks football team.
Ian A. C. Dejardin (born 26 August 1955) is an art historian who was Director of the Dulwich Picture Gallery in Dulwich, England. In August 2016 Dulwich Picture Gallery announced that he would be leaving to become Chief Executive of the McMichael Canadian Art Collection in Ontario in April 2017.