William Joseph Bradley (February 13, 1878 - March 11, 1954) was a third baseman in Major League Baseball. He was born in Cleveland, Ohio.

Bill Bradley was recognized as one of the best third basemen in baseball prior to 1950, along with Jimmy Collins and Pie Traynor. He led American League third basemen in fielding four times, setting a league record of seven putouts in one game in both 1901 and 1909.

Bill Bradley was the first Cleveland baseball player to hit for the cycle on September 24, 1903.In 1902 he hit home runs in four straight games and finished the year with a .340 batting average.

After finishing his playing and managing career in the Federal League, Bill Bradley was a scout for the Cleveland Indians. He was elected to the Indians' Hall of Fame shortly after his death in 1954. Bradley died in Cleveland at the age of 77 due to pneumonia. He was laid to rest at Calvary Cemetery in Cleveland, Ohio.