List of Famous people named Ian

Ian Keith Affleck is a Canadian physicist specializing in condensed matter physics. He is Killam University Professor, Department of Physics and Astronomy, University of British Columbia.

Ian Agol is an American mathematician who deals primarily with the topology of three-dimensional manifolds.

Ian Fraser was an English composer, conductor, orchestrator, arranger and music director. In a career that spanned over 50 years, he received eleven Emmy Awards out of 32 total nominations, making him the most-honored musician in television history. His first 23 Emmy nominations, received between 1977 and 1999, were consecutive, which is the longest run of individual nominations in the history of the Academy of Television Arts & Sciences.

Ian Campbell Thomas is a Canadian singer, songwriter, actor and author. He is the younger brother of comedian and actor Dave Thomas. He was born in Hamilton, Ontario, Canada.

Ian Dalrymple was a British screenwriter, film director, film editor and film producer.

Ian Brennan is an American screenwriter, director and actor. He is known for his work on the American television shows Glee, Scream Queens and The Politician.

Ian Nicholas Stewart is an English mathematician and a popular-science and science-fiction writer. He is Emeritus Professor of Mathematics at the University of Warwick, England.