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

Stefan Matteau is an American professional ice hockey forward who is currently playing for the Columbus Blue Jackets in the National Hockey League (NHL). Matteau was born in Chicago, Illinois, but grew up in Blainville, Quebec.

DeAndre Desmond Liggins is an American professional basketball player for London Lions of the British Basketball League (BBL). He played college basketball for Kentucky.

Michael Edward Gross is an American television, movie and stage actor and comedian. He is notable for playing Steven Keaton on the sitcom Family Ties (1982–89) and the survivalist Burt Gummer in the Tremors film franchise.

Jesse Michael Anderson was a convicted American murderer who was murdered in prison, along with serial killer Jeffrey Dahmer, by fellow inmate and convicted murderer Christopher Scarver.

Susan Lee Lindquist, ForMemRS was an American professor of biology at MIT specializing in molecular biology, particularly the protein folding problem within a family of molecules known as heat-shock proteins, and prions. Lindquist was a member and former director of the Whitehead Institute and was awarded the National Medal of Science in 2010.

Neal Kumar Katyal is an American lawyer and academic. He is a partner at Hogan Lovells and the Paul and Patricia Saunders Professor of National Security Law at Georgetown University Law Center. During the Obama administration, Katyal served as Acting Solicitor General of the United States from May 2010 until June 2011. Previously, Katyal served as an attorney in the Solicitor General's office, and as Principal Deputy Solicitor General in the U.S. Justice Department.

Daniel Grayling Fogelberg was an American musician, songwriter, composer, and multi-instrumentalist. He is known for his 1980s songs, including "Longer" (1979), "Same Old Lang Syne" (1980), and "Leader of the Band" (1982).

Martine Aliana Rothblatt is an American lawyer, author, and entrepreneur. Rothblatt graduated from University of California, Los Angeles with J.D. and M.B.A. degrees in 1981, then began to work in Washington, D.C., first in the field of communications satellite law, and eventually in life sciences projects like the Human Genome Project.

Philip Kotler is an American marketing author, consultant, and professor; the S. C. Johnson & Son Distinguished Professor of International Marketing at the Kellogg School of Management at Northwestern University (1962-2018). He gave the definition of marketing mix. He is the author of over 80 books, including Marketing Management, Principles of Marketing, Kotler on Marketing, Marketing Insights from A to Z, Marketing 4.0, Marketing Places, Marketing of Nations, Chaotics, Market Your Way to Growth, Winning Global Markets, Strategic Marketing for Health Care Organizations, Social Marketing, Social Media Marketing, My Adventures in Marketing, Up and Out of Poverty, and Winning at Innovation. Kotler describes strategic marketing as serving as "the link between society's needs and its pattern of industrial response."

Jayanth Jambulingam Chandrasekhar is an American comedian, film director, screenwriter, and actor. He is best known for his work with the sketch comedy group Broken Lizard and for directing and starring in the Broken Lizard films Super Troopers, Club Dread, Beerfest and Super Troopers 2. Since 2001 he has also worked frequently as a television director, directing many episodes of Community and The Goldbergs, among dozens of other comedy series. He has also occasionally worked as a film director outside of Broken Lizard projects, most notably on the 2005 film The Dukes of Hazzard.