Bill Harper
- Given Name
- William Homer
- Nickname(s)
- Blue Sleeve, Bam-Bam, Big Kid, Harp, Mondo, The Showman
- Born
- 6/14/1889 — Bertrand, MO, USA
- Died
- 6/17/1951 — Somerville, TN, USA
- Weight
- 180 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- B
- Team(s)
- St. Louis Browns (1911)
- Debut
- 1911-06-10
- Final Game
- 1911-06-20