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

Harvey Sheldon Rosen was the John L. Weinberg Professor of Economics and Business Policy at Princeton University, and former chairperson of the Council of Economic Advisers. His research focuses on public finance. Harvard University economist and former Council of Economic Advisers chairman Greg Mankiw credits Rosen as one of four mentors who taught him how to practice economics, along with Alan Blinder, Larry Summers, and Stanley Fischer.

Louis King Johnson, Jr., better known by his stage name King Louie, is an American rapper and actor from Chicago, Illinois. Spin Magazine attributed King Louie as being one of the Chicago rappers who made Chicago the "hottest hip-hop" scene in 2012.

Marita Geraghty is an American television and film actress. She had roles in several movies during the late 1980s and early 1990s, most notably as Nancy Taylor in Groundhog Day. She was married to actor Michael Maguire.

Oren Koules is an American entrepreneur, film producer, and professional sports executive. Alongside Mark Burg, he formed Evolution Entertainment, which produced the Saw film series and the CBS television series, Two and a Half Men. He is the former majority owner, CEO, and Governor of the Tampa Bay Lightning of the National Hockey League. He is the former owner of the Helena Bighorns, a junior ice hockey team in the North American 3 Hockey League until he sold the team in 2017.

John P. Sall is an American billionaire businessman and computer software developer, who co-founded SAS Institute and created the JMP statistical software.

Kathryn Hays is an American actress, best known for her role as Kim Hughes on the CBS soap opera, As the World Turns from 1972 to 2010.

Kenneth Snow was an American soccer forward who was a two-time winner of the Hermann Trophy as the outstanding college soccer player in 1988 and 1990. He had an eight-year professional career playing indoor soccer in the United States.

Bartholemew Baker, is an American entertainer, web-based comedian, video producer, singer, rapper, former parody artist, and in some of his parodies an occasional drag queen. He is best known for making parody videos of notable songs, which he would post on his YouTube channel. He was described as one of the most prolific makers of music parodies by Billboard.

Henry Field was an American anthropologist and archaeologist.

George William Whitehead, Jr. was an American professor of mathematics at the Massachusetts Institute of Technology, a member of the United States National Academy of Sciences, and a Fellow of the American Academy of Arts and Sciences. He is known for his work on algebraic topology. He invented the J-homomorphism, and was among the first to systematically calculate the homotopy groups of spheres. He is also central to the study of Stable homotopy theory, in particular making concrete the connections between Spectra and Generalized homology/cohomology theories.