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

Michael Joseph Bost is an American politician. A member of the Republican Party, he has served as the U.S. Representative for Illinois's 12th congressional district since 2015. From 1995 to 2015, Bost was a member of the Illinois House of Representatives, representing the 115th district. Prior to winning elective office, Bost was a firefighter.

George Furth was an American librettist, playwright, and actor.

Avery Lawrence Schreiber was an American actor and comedian. He was a veteran of stage, television, and movies who came to prominence in the 1960s in a comedy duo with Jack Burns. He acted in an array of acting roles mostly on television sitcoms and a series of popular advertisements for Doritos tortilla chips.

Felton Perry is an American actor. He is most notable for his roles as Deputy Obrah Eaker in the 1973 movie Walking Tall, and as Inspector Early Smith in the 1973 movie Magnum Force, the second film in the Dirty Harry series. Felton's other well-known role is in the 1987 science fiction movie RoboCop as Donald Johnson, an executive at the corporation Omni Consumer Products (OCP). He reprised his role as Johnson in the sequels RoboCop 2 (1990) and RoboCop 3 (1993).

Mark Brian Gorski is a 1984 Olympic Gold medalist in the 1000m match sprint from the United States. He attended Lake Park High School in Roselle, Illinois and the University of Michigan.

Richard Davis is an American jazz bassist. Among his best-known contributions to the albums of others are Eric Dolphy's Out to Lunch!, Andrew Hill's Point of Departure, and Van Morrison's Astral Weeks, of which critic Greil Marcus wrote, "Richard Davis provided the greatest bass ever heard on a rock album."

Tina Lifford is an American actress and playwright. She is best known for her leading role as single mother Joan Mosley in the critically acclaimed but short-lived Fox comedy-drama series, South Central (1994), and her recurring role as Renee Trussell in the NBC drama series, Parenthood (2010–2015). She has starring roles in the feature films Grand Canyon (1991), Blood Work (2002), and Hostage (2005). In 2016, Lifford began starring as Violet Bordelon in the Oprah Winfrey Network drama series, Queen Sugar.

Constance McCashin is an American psychotherapist and former actress, best known for her role as Laura Avery Sumner in the CBS prime time soap opera, Knots Landing.

Eleanor Frances Callier, better known as Frances Callier, is an American actress, producer, writer, and comedian. Her television credits include According to Jim, My Name Is Earl, Frasier, and Curb Your Enthusiasm. Callier is also known for her co-starring role in the British comedy, 3 Non-Blondes.

Michael Thomas O'Connell is the Director of Pro Development for the Los Angeles Kings. O'Connell was also a former professional ice hockey player and general manager. He played 860 National Hockey League (NHL) regular season games between 1977 and 1990 and later served as the general manager of the Boston Bruins from 2000 until 2006. He is the son of former National Football League (NFL) quarterback Tommy O'Connell and brother of former World Hockey Association (WHA) player Tim O'Connell.