International Boxing Hall of Fame
Frank Klaus

| Frank Klaus | |
| Statistics | |
|---|---|
| Real name | Francis Klaus |
| Nickname(s) | none |
| Rated at | Middleweight |
| Nationality | United States Of America |
| Birth date | December 30, 1887(1887-12-30) |
| Birth place | Pittsburgh, Pennsylvania |
| Death date | February 8, 1948 (aged 60) |
| Stance | |
| Boxing record | |
| Total fights | 89 |
| Wins | 50 |
| Wins by KO | 24 |
| Losses | 5 |
| Draws | 34 |
| No contests | 0 |
Frank Klaus (born December 30, 1887 in Pittsburgh, Pennsylvania, died February 8, 1948) was a German-American boxer from 1904 to 1918. Klaus won the Middleweight Championship of the world in 1913 and was elected to the Ring Boxing Hall of Fame in 1974.
Klaus died February 8, 1948 in Pittsburgh, PA
Klaus was elected into the International Boxing Hall of Fame in 2008.