| John Bogart | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 21 September 1900 |
| Birth Place: | Bloomsburg, Pennsylvania |
| Death Place: | Clarence, New York |
| Debutleague: | MLB |
| Debutdate: | September 17 |
| Debutyear: | 1920 |
| Debutteam: | Detroit Tigers |
| Finalleague: | MLB |
| Finaldate: | October 3 |
| Finalyear: | 1920 |
| Finalteam: | Detroit Tigers |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 2–1 |
| Stat2label: | Earned run average |
| Stat2value: | 3.04 |
| Stat3label: | Strikeouts |
| Stat3value: | 5 |
| Teams: | |
John Renzie Bogart (September 21, 1900 – December 7, 1986), nicknamed "Big John", was a Major League Baseball (MLB) pitcher who played for the Detroit Tigers in 1920.