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

David Neil Santee is an American former competitive figure skater. He is the 1981 World silver medalist and an eight-time U.S. national medalist. He also competed at the Winter Olympics twice. His younger brother James Santee was also an elite-level skater.

Myrtle Stedman was an American leading lady and later character actress in motion pictures who began in silent films in 1910.

Helen Rose was an American costume designer and clothing designer who spent the bulk of her career with Metro-Goldwyn-Mayer.

Mary Eileen Chesterton, known professionally as Claudia Jennings, was an American actress and model. Jennings was Playboy magazine's Playmate of the Month for November 1969 and also Playmate of the Year for 1970. During the 1970s, she was called the "Queen of B movies".

Barbara Louise Mertz was an American author who wrote under her own name as well as under the pseudonyms Elizabeth Peters and Barbara Michaels. In 1952, she received a PhD in Egyptology from the University of Chicago. While she was best known for her mystery and suspense novels, in the 1960s she authored two books on ancient Egypt, both of which have remained in print ever since.

Susanna Foster was an American film actress best known for her leading role as Christine in the 1943 film version of Phantom of the Opera.

Paul McGrath was an American film, television, Broadway, and Pittsburgh actor best known for his radio appearances in the 1940s and 1950s. He was born in Chicago, Illinois and died in London, England.

Armand Paul Alivisatos is an American chemist who serves as the 14th president of the University of Chicago. Alivisatos is a scientist of Greek descent who has been hailed as a pioneer in nanomaterials development and is an internationally recognized authority on the fabrication of nanocrystals and their use in biomedical and renewable energy applications. He was ranked fifth among the world's top 100 chemists for the period 2000–2010 in the list released by Thomson Reuters. In February 2021, he was named the next president of the University of Chicago.

Benjamin "Ben" Koldyke is an American actor.

Carl Joseph Meade is a former NASA astronaut.