| Marty Herrmann | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 10 January 1893 |
| Birth Place: | Oldenburg, Indiana |
| Death Place: | Cincinnati |
| Debutleague: | MLB |
| Debutdate: | July 10 |
| Debutyear: | 1918 |
| Debutteam: | Brooklyn Robins |
| Finalleague: | MLB |
| Finaldate: | July 10 |
| Finalyear: | 1918 |
| Finalteam: | Brooklyn Robins |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–0 |
| Stat2label: | Earned run average |
| Stat2value: | 0.00 |
| Stat3label: | Strikeouts |
| Stat3value: | 0 |
| Teams: |
|
Martin John Herrmann (January 10, 1893 in Oldenburg, Indiana – September 11, 1956 in Cincinnati) was a pitcher in Major League Baseball. He pitched in one game for the Brooklyn Robins during the baseball season, working one scoreless inning on July 10.
His grandson, catcher Ed Herrmann, had a much longer professional career in the late 1960s and 1970s.