| Jack Compton | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | March 9, 1882 |
| Birth Place: | Lancaster, Ohio |
| Death Place: | Lancaster, Ohio |
| Debutleague: | MLB |
| Debutdate: | September 7 |
| Debutyear: | 1911 |
| Debutteam: | Cincinnati Reds |
| Finalleague: | MLB |
| Finaldate: | September 30 |
| Finalyear: | 1911 |
| Finalteam: | Cincinnati Reds |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Strikeouts |
| Stat2value: | 6 |
| Stat3label: | Earned run average |
| Stat3value: | 3.91 |
| Teams: |
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Harry Leroy Compton (March 9, 1882 – July 4, 1974) was a Major League Baseball pitcher. He played for the Cincinnati Reds in 1911. He later managed the Dayton Veterans in 1915.