William Joseph Hanlon (June 24, 1876 in Los Angeles, California – November 23, 1905 in Los Angeles, California), was a former professional baseball player who was a in the Major Leagues in 1903.
Bill Hanlon
| Given name: | William Joseph Hanlon |
| Nicknames: | Big Bill |
| Primary Pos: | Firstbase |
| Hght/Wght: | 6'0" / 175 lbs |
| Bats/Throws: | R / None |
| Born: | Jun 24, 1876 in Los Angeles, CA |
| Died: | Nov 23, 1905 in Los Angeles, CA (29 years old) |
| Debut: | Apr 16, 1903 |