| Bill Pfann | |
| Position: | Pitcher |
| Bats: | Unknown |
| Throws: | Right |
| Birth Date: | June 1863 |
| Birth Place: | Hamilton, Canada West |
| Death Place: | Hamilton, Ontario, Canada |
| Debutleague: | MLB |
| Debutdate: | June 16 |
| Debutyear: | 1894 |
| Debutteam: | Cincinnati Reds |
| Finalleague: | MLB |
| Finaldate: | June 16 |
| Finalyear: | 1894 |
| Finalteam: | Cincinnati Reds |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0-1 |
| Stat2label: | Earned run average |
| Stat2value: | 27.00 |
| Stat3label: | Strikeouts |
| Stat3value: | 0 |
| Teams: |
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William F. Pfann (1863–1904) was a professional baseball player. He was a pitcher for the Cincinnati Reds of the National League in 1894. He appeared in one game for the Reds on June 16, 1894.