| Fred Stem | |
| Position: | First baseman |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | September 22, 1885 |
| Birth Place: | Oxford, North Carolina |
| Death Place: | Darlington, South Carolina |
| Debutleague: | MLB |
| Debutdate: | September 15 |
| Debutyear: | 1908 |
| Debutteam: | Boston Doves |
| Finalleague: | MLB |
| Finaldate: | August 15 |
| Finalyear: | 1909 |
| Finalteam: | Boston Doves |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .224 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 14 |
| Teams: |
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Frederick Boothe Stem (September 22, 1885 – September 5, 1964) is a former Major League Baseball first baseman. He played for the Boston Doves from 1908 to 1909. He attended college at the University of North Carolina.