| John Barthold | |
| Position: | Pitcher |
| Bats: | Switch |
| Throws: | Right |
| Birth Date: | April 14, 1882 |
| Birth Place: | Philadelphia |
| Death Place: | Fairview Village, Pennsylvania |
| Debutleague: | MLB |
| Debutdate: | May 17 |
| Debutyear: | 1904 |
| Debutteam: | Philadelphia Athletics |
| Finalleague: | MLB |
| Finaldate: | June 8 |
| Finalyear: | 1904 |
| Finalteam: | Philadelphia Athletics |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–0 |
| Stat3label: | Strikeouts |
| Stat3value: | 5 |
| Stat2label: | Earned run average |
| Stat2value: | 5.06 |
| Teams: | |
John Francis Barthold (April 14, 1882 – November 4, 1946), nicknamed "Hans", was an American Major League Baseball pitcher. He played for the Philadelphia Athletics for one season.