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

William LeBaron was an American film producer. LeBaron's film credits included Cimarron, which won the Academy Award for Outstanding Production at the 4th Academy Awards ceremony for 1930/1931. LeBaron also produced landmark comedy features from W. C. Fields, Mae West and Wheeler and Woolsey. In addition to being a producer, LeBaron served as the last production chief of Film Booking Offices of America and at FBO's successor, RKO Pictures, where he was replaced by David O. Selznick.

Abe Lyman was a popular bandleader from the 1920s to the 1940s. He made recordings, appeared in films and provided the music for numerous radio shows, including Your Hit Parade.

H. Ty Warner is an American billionaire toy manufacturer, businessman, and former actor. He is the CEO, sole owner and founder of Ty Inc. which manufactures and distributes stuffed toys, including Beanie Babies and other lines. He is also the owner of Four Seasons Hotel New York, which he bought with profits earned selling Beanie Babies during a fad in the late 1990s. In 2020, he was No. 359 on the Forbes 400 list of the richest people in America, with a net worth of US$2.3 billion.

Edward Allen Bernero is an American television writer, producer, and director. He co-created the series Third Watch and has worked as an executive producer on Criminal Minds. He co-created the spin-off Criminal Minds: Suspect Behavior, which premiered on February 16, 2011 and canceled on May 25, 2011, due to low ratings.

John Francis Queeny was an American businessman, known for founding Monsanto Chemical Works in St. Louis, Missouri, on September 26, 1901, with $5,000. He named the company for his wife, Olga Mendez Monsanto.

Vincent Ernest "Vince" Vieluf is an American actor. He is best known for his roles in Rat Race and the short-lived UPN sitcom Love, Inc.

Walter H. Kansteiner III was the United States Assistant Secretary of State for African Affairs from June 2001 until November 2003.

Jerome Edward Listecki is an American prelate of the Roman Catholic Church who has served as Archbishop of the Archdiocese of Milwaukee, Wisconsin, since 2010.