| Rip Vowinkel | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 18, 1884 |
| Birth Place: | Oswego, New York |
| Death Place: | Oswego, New York |
| Debutleague: | MLB |
| Debutdate: | September 5 |
| Debutyear: | 1905 |
| Debutteam: | Cincinnati Reds |
| Finalleague: | MLB |
| Finaldate: | October 7 |
| Finalyear: | 1905 |
| Finalteam: | Cincinnati Reds |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 3–3 |
| Stat2label: | Earned run average |
| Stat2value: | 4.17 |
| Stat3label: | Strikeouts |
| Stat3value: | 7 |
| Teams: | |
John Henry "Rip" Vowinkel (November 18, 1884 – July 13, 1966) was a Major League Baseball pitcher. Vowinkel played for the Cincinnati Reds in . In six career games, he had a 3–3 record with a 4.17 ERA. He batted and threw left-handed.
Vowinkel was born and died in Oswego, New York.