William Sully Beebe (February 14, 1841 – October 12, 1898) was a Union officer who received the Medal of Honor on June 30, 1897 for his action at Cane River Crossing, Louisiana on April 23, 1864. Born in Ithaca, New York, Beebe graduated from West Point in 1863, received his commission in the ordnance branch. He served in the Army until resigning in January 1874.