List of Famous people born in Illinois, United States of America

Donald Paul Hahn is an American film producer who is credited with producing some of the most successful animated films in recent history, including Disney’s Beauty and the Beast and The Lion King.

Edmund Francis Gilbert was an American actor, with extensive credits in both live-action roles and voice work in animation, although he was better known for the latter. He is also credited, under his birth name, with research in entomology and the discovery of new beetle species. He also replaced Phil Harris, the original voice of Baloo, in TaleSpin and for special segments featured on the VHS releases of Jungle Cubs.

Ben Roy Mottelson is a Danish nuclear physicist. He won the 1975 Nobel Prize in Physics for his work on the non-spherical geometry of atomic nuclei.

John Pitann Kinsella is an American former competition swimmer, an Olympic champion, and a former world record-holder in multiple events.

Waldo Miller Salt was an American screenwriter who won Academy Awards for both Midnight Cowboy and Coming Home.

Dolores Gray was an American actress and singer. She was nominated for the Tony Award for Best Lead Actress in a Musical twice, winning once.

Edith Atwater was an American stage, film, and television actress.

Harvey Friedman is an American mathematical logician at Ohio State University in Columbus, Ohio. He has worked on reverse mathematics, a project intended to derive the axioms of mathematics from the theorems considered to be necessary. In recent years this has advanced to a study of Boolean relation theory, which attempts to justify large cardinal axioms by demonstrating their necessity for deriving certain propositions considered "concrete".

Benedict Bogeaus, was an independent film producer and former owner of General Service Studios.

Bernard Brodie was an American military strategist well known for establishing the basics of nuclear strategy. Known as "the American Clausewitz," and "the original nuclear strategist," he was an initial architect of nuclear deterrence strategy and tried to ascertain the role and value of nuclear weapons after their creation.