| Hugo Klaerner | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 15 October 1908 |
| Birth Place: | Fredericksburg, Texas, U.S. |
| Death Place: | Fredericksburg, Texas, U.S. |
| Debutleague: | MLB |
| Debutdate: | September 10 |
| Debutyear: | 1934 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | September 22 |
| Finalyear: | 1934 |
| Finalteam: | Chicago White Sox |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0-2 |
| Stat2label: | Earned run average |
| Stat2value: | 10.90 |
| Stat3label: | Strikeouts |
| Stat3value: | 9 |
| Teams: | |
Hugo Emil Klaerner (October 15, 1908 – February 3, 1982) was an American pitcher in Major League Baseball. He played for the Chicago White Sox.[1] He married Esther Petermann (d. 2009), and is buried in Der Stadt Friedhof Cemetery in Fredericksburg.