| Jug Thesenga | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | April 27, 1914 |
| Birth Place: | Jefferson, South Dakota |
| Death Place: | Wichita, Kansas |
| Debutleague: | MLB |
| Debutdate: | September 1 |
| Debutyear: | 1944 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | September 25 |
| Finalyear: | 1944 |
| Finalteam: | Washington Senators |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–0 |
| Stat2label: | Strikeouts |
| Stat2value: | 2 |
| Stat3label: | Earned run average |
| Stat3value: | 5.11 |
| Teams: |
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Arnold Joseph "Jug" Thesenga (April 27, 1914 – December 3, 2002) was a Major League Baseball pitcher who appeared in five games for the Washington Senators in .