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

Reginald Jacob Cannon is an American professional soccer player who plays as a right back for Portuguese Primeira Liga club Boavista and the United States national team.

Lise Mayer is an American-born English television and film writer, best known as, alongside Rik Mayall and Ben Elton, a creator and co-writer of the BBC comedy series The Young Ones.

Deon Cole is an American comedian, actor and screenwriter. He is best known for his role in the sitcom Black-ish (2014–present), which earned him nominations for two NAACP Image Awards and two SAG Awards.

Michael Robert Tauchman is an American professional baseball outfielder for the New York Yankees of Major League Baseball (MLB). He has previously played for the Colorado Rockies.

Kenny A. Troutt was the founder of Excel Communications, a Texas-based telecommunications company that offered long distance phone service. Troutt became a billionaire in 1998 when Excel was sold to Teleglobe for $3.5 billion. As of 2014, his net worth was approx. US$1.5 billion.

Jannero Pargo is an American professional basketball coach and former player. He is an assistant coach for the Portland Trail Blazers of the NBA. He played college basketball for Neosho County CC and Arkansas.

Beverly Archer is an American actress who is perhaps best known for her television roles as Iola Boylen on Mama's Family and as Gunnery Sgt. Alva Bricker on Major Dad.

Daniel Keenan Savage is an American author, media pundit, journalist, and LGBT community activist. He writes Savage Love, an internationally syndicated relationship and sex advice column. In 2010, Savage and his husband, Terry Miller, began the It Gets Better Project to help prevent suicide among LGBT youth. He has also worked as a theater director, sometimes credited as Keenan Hollahan.

Marsha Kramer was an American theater and television actress. She made television appearances in The Waltons, Touched by an Angel, Frasier, NCIS, Dr. Ken, Eagleheart, Days of Our Lives, Out of Order, and Malcolm in the Middle. She had a recurring role as "Margaret" in the sitcom Modern Family in 14 episodes between 2013 and 2020.

William Friedkin is an American film and television director, producer and screenwriter closely identified with the "New Hollywood" movement of the 1970s. Beginning his career in documentaries in the early 1960s, he is perhaps best known for directing the action thriller film The French Connection (1971), which won five Academy Awards, including Best Picture, Best Adapted Screenplay and Best Director, and the supernatural horror film The Exorcist (1973), which earned him a nomination for the Academy Award for Best Director.