List of Famous people born in Rock Island, United States of America

Madison Keys is an American professional tennis player. She achieved a career-high ranking of No. 7 in the world in October 2016 and has been consistently ranked inside the top 25 by the Women's Tennis Association (WTA) since early 2015. Keys has played in one Grand Slam tournament final at the 2017 US Open, competed at the 2016 WTA Finals, and was a semifinalist at the 2016 Summer Olympics. She has won five WTA tournaments, all at the Premier level. Her biggest title came at the 2019 Cincinnati Open, a Premier 5 event.

Edward Albert Heimberger was an American actor and activist. He was twice nominated for the Academy Award for Best Supporting Actor; the first nomination came in 1954 for his performance in Roman Holiday, and the second in 1973 for The Heartbreak Kid. Other well-known screen roles of his include Bing Edwards in the Brother Rat films, traveling salesman Ali Hakim in the musical Oklahoma!, and the sadistic prison warden in 1974's The Longest Yard. He starred as Oliver Wendell Douglas in the 1960s television sitcom Green Acres and as Frank MacBride in the 1970s crime drama Switch. He also had a recurring role as Carlton Travis on Falcon Crest, opposite Jane Wyman.

Colonel Gary Eugene Payton, USAF, is an American astronaut and USAF Manned Spaceflight Engineer.

Steven Scott Vogt is an American astronomer of German descent whose main interest is the search for extrasolar planets.

June Haver was an American film actress, singer, and dancer. Once groomed by 20th Century Fox to be "the next Betty Grable", Haver appeared in a string of musicals, but she never achieved Grable's popularity. Haver's second husband was the actor Fred MacMurray, whom she married after she retired from show business.

Sherman McMaster was an outlaw turned lawman, who was one of the six men involved in the Earp vendetta ride.

Henry Cantwell "Harry" Wallace was an American farmer, journalist, and political activist who served as the Secretary of Agriculture from 1921 to 1924. He was the father of Henry A. Wallace, who would follow in his footsteps as Secretary of Agriculture and later became Vice President under President Franklin D. Roosevelt. He was an editor of Wallaces' Farmer from 1916 to 1921.

Charles Melville Hays was the president of the Grand Trunk Railway. He began working in the railroad business as a clerk at the age of 17 and quickly rose through the ranks of management to become the General Manager of the Wabash, St. Louis and Pacific Railway. He became Vice-President of that company in 1889 and remained as such until 1896 when he became General Manager of the Grand Trunk Railway (GTR) of Canada.

Helen Mack was an American actress. Mack started her career as a child actress in silent films, moving on to Broadway plays, and touring one of the vaudeville circuits. Her greater success as an actress was as a leading lady in the 1930s. Eventually Mack transitioned into performing on radio, and then into writing, directing, and producing some of the best known radio shows during the Golden Age of Radio. Later in life, Mack wrote for Broadway, stage, and television. Her career spanned the infancy of the motion picture industry, the beginnings of Broadway, the final days of Vaudeville, the transition to "talking pictures", the Golden Age of Radio, and the rise of television.