Richard Joseph Durbin (born November 21, 1944) 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 (the second-highest position in the Democratic leadership in the Senate) and as the Senate majority whip since 2021.

He chairs the Senate Judiciary Committee, and led the Ketanji Brown Jackson Supreme Court nomination hearings. Durbin was born in East St. Louis, Illinois.