| Author | Profession |
|---|---|
| I. F. Stone | Journalist |
| I. King Jordan | Educator |
| Iain Banks | Writer |
| Iain Duncan Smith | Politician |
| Iain Glen | Actor |
| Iain McGilchrist | Writer |
| Iain Sinclair | Writer |
| Ian Anderson | Musician |
| Ian Botham | Athlete |
| Ian Dunbar | Scientist |
| Ian Fleming | Author |
| Ian Frazier | Writer |
| Ian Goldin | Educator |
| Ian Hacking | Philosopher |
| Ian Hamilton Finlay | Poet |
| Ian Hart | Actor |
| Ian Hislop | Editor |
| Ian K. Smith | Author |
| Ian MacKaye | Musician |
| Ian McDiarmid | Actor |
| Ian Mcewan | Author |
| Ian Mckellen | Actor |
| Ian McLagan | Musician |
| Ian McShane | Actor |
| Ian Rankin | Writer |
| Ian Rush | Athlete |
| Ian Schrager | Businessman |
| Ian Smith | Politician |
| Ian Somerhalder | Actor |
| Ian St. John | Athlete |
| Ian Thorpe | Athlete |
| Ian Williams | Musician |
| Ian Ziering | Actor |
| Ibrahim Babangida | Statesman |
| Ibrahim Rugova | Statesman |
| Ice Cube | Musician |
| Ice T | Musician |
| Ichiro Suzuki | Athlete |
| Ida B. Wells | Activist |
| Ida Lupino | Actress |