William Horner Harper (June 14, 1889 – June 17, 1951) was a Major League Baseball pitcher. He appeared in two games for the St. Louis Browns in 1911.
Bill Harper
| Given name: | William Homer Harper |
| Nicknames: | Blue Sleeve |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'1" / 180 lbs |
| Bats/Throws: | B / R |
| Born: | Jun 14, 1889 in Bertrand, MO |
| Died: | Jun 17, 1951 in Somerville, TN (62 years old) |
| Debut: | Jun 10, 1911 |