The United States Senate election in Illinois was held on November 5, 2002. Incumbent Democratic U.S. Senator Dick Durbin sought re-election to a second term in the United States Senate. Durbin defeated Republican challenger State Representative Jim Durkin in a landslide.

Richard Joseph Durbin is an American lawyer and politician serving as the senior United States senator from Illinois, a seat he has held since 1997. A member of the Democratic Party, Durbin is in his fifth Senate term and has served as the Senate Democratic whip since 2005 and as the Senate majority whip since 2021. He chairs the Senate Judiciary Committee, and led the Ketanji Brown Jackson Supreme Court nomination hearings.