| Jim Callahan | |
| Position: | Outfielder |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 12 January 1881 |
| Birth Place: | Allegheny County, Pennsylvania, U.S. |
| Death Place: | Carnegie, Pennsylvania, U.S. |
| Debutleague: | MLB |
| Debutdate: | May 25 |
| Debutyear: | 1902 |
| Debutteam: | New York Giants |
| Finalleague: | MLB |
| Finaldate: | May 25 |
| Finalyear: | 1902 |
| Finalteam: | New York Giants |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .000 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 0 |
| Teams: |
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James Timothy Callahan (January 12, 1881 – March 9, 1968) was an American outfielder in Major League Baseball. He played for the New York Giants in 1902.