| Gustav Tiefenthaler | |
| Full Name: | Gustav Gotthardt Tiefenthaler |
| Birth Date: | 25 July 1886 |
| Birth Place: | Unterwalden, Switzerland |
| Death Place: | St. Louis, Missouri, U.S. |
| Show-Medals: | yes |
Gustav Gotthardt Tiefenthaler (July 25, 1886 - April 14, 1942) was a Swiss-American wrestler who competed in the 1904 Summer Olympics. In 1904, he won a bronze medal in light flyweight category. He was born in Switzerland and died in St. Louis, Missouri.[1]