| Frank Stewart | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 8 September 1906 |
| Birth Place: | Minneapolis, Minnesota |
| Death Place: | Stillwater, Minnesota |
| Debutleague: | MLB |
| Debutdate: | October 2 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | October 2 |
| Finalteam: | Chicago White Sox |
| Statleague: | MLB |
| Stat1label: | Games pitched |
| Stat1value: | 1 |
| Stat2label: | Earned run average |
| Stat2value: | 9.00 |
| Stat3label: | Innings pitched |
| Stat3value: | 4.0 |
| Teams: | |
Frank "Stewy" Stewart (September 8, 1906 – April 30, 2001) was a Major League Baseball pitcher who played in one game for the Chicago White Sox on October 2, . He pitched in 4.0 innings, allowing four earned runs and four base on balls.