| Bill Quarles | |
| Position: | Pitcher |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | 25 June 1869 |
| Birth Place: | Petersburg, Virginia |
| Death Place: | Petersburg, Virginia |
| Debutleague: | MLB |
| Debutdate: | May 21 |
| Debutyear: | 1891 |
| Debutteam: | Washington Statesmen |
| Finalleague: | MLB |
| Finaldate: | September 9 |
| Finalyear: | 1893 |
| Finalteam: | Boston Beaneaters |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 3-2 |
| Stat2label: | Strikeouts |
| Stat2value: | 16 |
| Stat3label: | Earned run average |
| Stat3value: | 6.24 |
| Teams: |
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William H. Quarles (1869 - March 25, 1897) was a pitcher in Major League Baseball for the 1891 Washington Statesmen and 1893 Boston Beaneaters.