| Jim Tyack | |
| Position: | Outfielder |
| Width: | 160px |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 9 January 1911 |
| Birth Place: | Florence, Montana |
| Death Place: | Bakersfield, California |
| Debutleague: | MLB |
| Debutdate: | April 20 |
| Debutyear: | 1943 |
| Debutteam: | Philadelphia Athletics |
| Finalleague: | MLB |
| Finaldate: | August 1 |
| Finalyear: | 1943 |
| Finalteam: | Philadelphia Athletics |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .258 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 23 |
| Teams: | |
James Frederick Tyack (January 9, 1911 – January 3, 1995) was a Major League Baseball outfielder who played in 54 games for the Philadelphia Athletics, all during the 1943 season. He was born in Florence, Montana.