Ian Brady was a Scottish serial killer who murdered multiple children with his girlfriend, Myra Hindley.
Ian Fleming is a 20th-century novelist known for inventing popular spy character James Bond.
Ian Holm is best known for playing Bilbo Baggins in the Lord of the Rings film trilogy. He also had notable parts in Alien, The Fifth Element and The Sweet Hereafter.
British college caretaker Ian Huntley was arrested for two murders in 2002 after a highly publicized search for his 10-year-old victims.
Ian McKellen is a revered, award-winning British actor of stage and screen known for many roles, including The Lord of the Rings and X-Men series.
English golfer Ian Poulter is a successful member of both the PGA and European tours.
Ian Stewart was one of the founding members of the Rolling Stones, later serving as their road manager and pianist.
Australian Olympic swimmer Ian Thorpe won the most gold medals of any Australian athlete, and was the youngest to win a world championship. He went on to win 10 more.
Ian Ziering is an actor known for his role on the teen soap opera Beverly Hills 90210, and for appearing on TV's Dancing with the Stars.