| Fred Gaiser | |
| Position: | Pitcher |
| Bats: | Unknown |
| Throws: | Right |
| Birth Date: | 31 August 1885 |
| Birth Place: | Stuttgart, German Empire |
| Death Place: | Trenton, New Jersey, U.S. |
| Debutleague: | MLB |
| Debutdate: | September 3 |
| Debutyear: | 1908 |
| Debutteam: | St. Louis Cardinals |
| Finalleague: | MLB |
| Finaldate: | September 3 |
| Finalyear: | 1908 |
| Finalteam: | St. Louis Cardinals |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0-0 |
| Stat2label: | Earned run average |
| Stat2value: | 7.71 |
| Stat3label: | Strikeouts |
| Stat3value: | 2 |
| Teams: |
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Frederick Jacob Gaiser (August 31, 1885 – October 9, 1918) was a pitcher in Major League Baseball. He played for the St. Louis Cardinals in 1908.[1] He died at the age of 33 from Spanish flu.