| Clem Hausmann | |
| Position: | Pitcher |
| Birth Date: | 17 August 1919 |
| Birth Place: | Houston, Texas, U.S. |
| Death Place: | Baytown, Texas, U.S. |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | April 28 |
| Debutyear: | 1944 |
| Debutteam: | Boston Red Sox |
| Finalleague: | MLB |
| Finaldate: | April 27 |
| Finalyear: | 1949 |
| Finalteam: | Philadelphia Athletics |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 9–14 |
| Stat2label: | Earned run average |
| Stat2value: | 4.21 |
| Stat3label: | Strikeouts |
| Stat3value: | 73 |
| Teams: | |
Clemens Raymond Hausmann (August 17, 1919 – August 29, 1972) was an American professional baseball pitcher. He played in Major League Baseball (MLB) from 1944 and 1949 for the Boston Red Sox (1944–1945) and Philadelphia Athletics (1949).
In a three-season career, Hausmann posted a 9–14 record with 73 strikeouts and a 4.21 ERA in 64 appearances, including 25 starts, seven complete games, two shutouts, 20 games finished, four saves, and 263.0 innings of work. Hausmann died in Baytown, Texas at age 53.