| Dutch Dietz | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 12 February 1912 |
| Birth Place: | Cincinnati, Ohio |
| Death Place: | Beaumont, Texas |
| Debutleague: | MLB |
| Debutdate: | April 26 |
| Debutyear: | 1940 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | July 29 |
| Finalyear: | 1943 |
| Finalteam: | Philadelphia Phillies |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 14–16 |
| Stat2label: | Earned run average |
| Stat2value: | 3.87 |
| Stat3label: | Strikeouts |
| Stat3value: | 79 |
| Teams: | |
Lloyd Arthur "Dutch" Dietz (February 12, 1912 – October 29, 1972) was a major-league (MLB) pitcher from 1940 to 1943. He began his MLB career with the Pittsburgh Pirates and was traded to the Philadelphia Phillies in his final season.[1]