William Bacon Oliver (May 23, 1867 – May 27, 1948) was a Congressman from Alabama. He was born in Eutaw, Alabama, graduated from the University of Alabama in 1887 and from the law department in 1889. After additional courses at the University of Virginia in the same year, he was admitted to the Alabama bar, and set up a practice in Tuscaloosa. He became dean of the law school of the University of Alabama in 1909, serving until 1913, then ran successfully for Congress in 1914, and remained there for eleven Congresses, not standing for reelection in 1936.