| Grant Bowler | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 24 October 1907 |
| Birth Place: | Denver, Colorado |
| Death Place: | Denver, Colorado |
| Debutleague: | MLB |
| Debutdate: | August 21 |
| Debutyear: | 1931 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | August 14 |
| Finalyear: | 1932 |
| Finalteam: | Chicago White Sox |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Earned run average |
| Stat2value: | 6.91 |
| Stat3label: | Strikeouts |
| Stat3value: | 17 |
| Teams: | |
Grant Tierney Bowler (October 24, 1907 – June 25, 1968) was a Major League Baseball pitcher who played for the Chicago White Sox in and .