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

Olivia Smoliga is an American competition swimmer who specializes in backstroke and freestyle events. She currently represents the Cali Condors which is part of the International Swimming League. Olivia is the current American record holder in the 50-meter backstroke. At the 2016 Summer Olympics held in Rio de Janeiro, she won a gold medal for swimming in the preliminary heat of the 4x100-meter medley relay.

Ernest Dion Wilson, professionally known as No I.D., is an American hip hop and R&B music producer from Chicago, Illinois. Wilson is also a disc jockey (DJ), music arranger and rapper, having released an album in 1997, titled Accept Your Own and Be Yourself , under Relativity Records. He is perhaps best known for his early work with Chicago-based rapper Common. He has since become a heavily sought-out and high-profile producer, producing hit singles such as "Smile" by G-Unit, "Outta My System" and "Let Me Hold You" by Bow Wow, "Heartless" by Kanye West, "D.O.A." by Jay-Z and "My Last" by Big Sean.

Edgar Rice Burroughs was an American speculative fiction writer, best known for his prolific output in the adventure, science fiction and fantasy genres. His most well-known creations include Tarzan of the Apes, John Carter of Mars and Carson Napier of Venus.

Bruce Arthur Johnston is an American singer, songwriter, and record producer who is best known as a member of the Beach Boys since 1965. Johnston also collaborated with Terry Melcher, as the duo Bruce & Terry and with the surf band the Rip Chords, and composed the 1975 Barry Manilow hit, "I Write the Songs".

Erika Natalie Louise Harold is an American attorney, politician, and former Miss America.

Michael Goi is an American cinematographer, television and film director.

Cindy Morgan is an American actress known for her appearances as Lora/Yori in Tron and Lacey Underall in Caddyshack.

Anthony "Tony" Rocco Martin is an American professional mixed martial artist who competed in the Welterweight division of the Ultimate Fighting Championship.

Otto Everett Graham Jr. was an American professional football player who was a quarterback for the Cleveland Browns in the All-America Football Conference (AAFC) and National Football League (NFL). Graham is regarded by critics as one of the most dominant players of his era, having taken the Browns to league championship games every year between 1946 and 1955, winning seven of them. With Graham at quarterback, the Browns posted a record of 57 wins, 13 losses, and one tie, including a 9–3 win–loss record in the playoffs. While most of Graham's statistical records have been surpassed in the modern era, he still holds the NFL record for career average yards gained per pass attempt, with 8.63. He also holds the record for the highest career winning percentage for an NFL starting quarterback, at 0.810. Long-time New York Yankees owner George Steinbrenner, a friend of Graham's, once called him "as great of a quarterback as there ever was."

Raymond Thornton Chandler was an American-British novelist and screenwriter. In 1932, at the age of forty-four, Chandler became a detective fiction writer after losing his job as an oil company executive during the Great Depression. His first short story, "Blackmailers Don't Shoot", was published in 1933 in Black Mask, a popular pulp magazine. His first novel, The Big Sleep, was published in 1939. In addition to his short stories, Chandler published seven novels during his lifetime. All but Playback have been made into motion pictures, some more than once. In the year before his death, he was elected president of the Mystery Writers of America.