| William F. Palmer | |
| Position: | Pitcher |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | September 5, 1864 |
| Birth Place: | London, England |
| Death Place: | St Louis, Missouri, US |
| Debutleague: | MLB |
| Debutdate: | May 28 |
| Debutyear: | 1885 |
| Debutteam: | St. Louis Maroons |
| Finalleague: | MLB |
| Finaldate: | June 3 |
| Finalyear: | 1885 |
| Finalteam: | St. Louis Maroons |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–4 |
| Stat2label: | Earned run average |
| Stat2value: | 3.44 |
| Stat3label: | Strikeouts |
| Stat3value: | 9 |
| Teams: |
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Billy Palmer (September 5, 1864 – June 11, 1933) was an English-born American Major League Baseball pitcher. He played for the St. Louis Maroons in . He started four games for the Maroons in late May and early June, losing all four.