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

Thomas George Doran was an American prelate of the Roman Catholic Church who served as the eighth Bishop of the Diocese of Rockford, Illinois (1994–2012).

James Harlan was an attorney and politician, a member of the United States Senate, a U.S. Cabinet Secretary at the United States Department of Interior under President Andrew Johnson, and a Federal Judge.

Amy Morton is an American actress and director, best known for her work in theatre. Morton was nominated two times for a Tony Award for Best Actress in a Play for her performances in August: Osage County and Who's Afraid of Virginia Woolf?. On screen, she is known for her performances in films Rookie of the Year (1993), Up in the Air (2009), The Dilemma (2011) and Bluebird (2013). In 2014, Morton began starring as Sergeant Trudy Platt in the NBC drama series Chicago P.D.

Sir William Cornelius Van Horne, succeeded Lord Mount Stephen as president of the Canadian Pacific Railway (CPR) in 1888. He was a prominent member of the Whitney syndicate that created the Cuba Railroad Company, incorporated at Trenton, New Jersey, in 1900 with a capitalization of $8,000,000. He lived at the Van Horne Mansion in Montreal's Golden Square Mile.

Robert Lord was an American screenwriter and film producer. He wrote for 71 films between 1925 and 1940. He won an Academy Award in 1933 in the category Best Writing, Original Story for the film One Way Passage. He was nominated in the same category in 1938 for the film Black Legion. He was born in Chicago, Illinois and died in Los Angeles from a heart attack.

Stanley Girard Schlarman is an American prelate of the Roman Catholic Church. He served as Bishop of Dodge City from 1983 to 1998.

Michael Anthony Bilandic was an American Democratic politician and attorney who served as the 49th mayor of Chicago from 1976 to 1979, after the death of his predecessor, Richard J. Daley. Bilandic practiced law in Chicago for several years, having graduated from the DePaul University College of Law. Bilandic served as an alderman in the Chicago City Council, representing the eleventh ward on the south-west side from June 1969 until he began his tenure as mayor in December 1976. After his mayoralty, Bilandic served as chief justice of the Illinois Supreme Court from 1994 to 1997.

Roger Joseph Foys is an American prelate of the Roman Catholic Church who served as bishop of the Diocese of Covington in Kentucky from 2002 to 2021.

Anthony Suau is an American photojournalist and documentary filmmaker, based in New York City.