| Károly Bartha | |
| Fullname: | Bartha Károly |
| Nationality: | Hungarian |
| Strokes: | Backstroke |
| Club: | Nemzeti Torna Egylet |
| Birth Date: | 4 November 1907 |
| Birth Place: | Budapest |
| Death Place: | Boston, Massachusetts |
Károly Bartha (4 November 1907 - 4 February 1991) was a Hungarian swimmer who competed in the 1924 Summer Olympics. He won a bronze medal in the 100 m backstroke event.[1]