| Karl Kowanz | |
| Birth Date: | 15 April 1926 |
| Position: | Defender |
| Years1: | –1950 |
| Clubs1: | Admira Wien |
| Years2: | 1950–1958 |
| Clubs2: | Austria Wien |
| Caps2: | 142 |
| Goals2: | 0 |
| Years3: | 1958–1961 |
| Clubs3: | WAC |
| Nationalyears1: | 1948–1953 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 17 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1965–1967 |
| Managerclubs1: | Grazer AK |
| Manageryears2: | 1967–1968 |
| Managerclubs2: | Sturm Graz |
Karl Kowanz (15 April 1926 - 30 November 1997) was an Austrian football player[1] and coach. He played for Austria at the 1948 Summer Olympics.[2] Karl Kowanz was the father of the internationally renowned artist Brigitte Kowanz.