| Karl Adamek | |
| Birth Date: | 23 July 1910 |
| Birth Place: | Vienna, Austria-Hungary |
| Position: | Defender |
| Years1: | 1927–1929 |
| Clubs1: | Brigittenauer AC |
| Years2: | 1929–1931 |
| Clubs2: | Wiener AC |
| Years3: | 1931 |
| Clubs3: | Floridsdorfer AC |
| Years4: | 1931–1932 |
| Clubs4: | Brigittenauer AC |
| Years5: | 1932–1933 |
| Clubs5: | Austria Wien |
| Years6: | 1933–1935 |
| Clubs6: | Le Havre AC |
| Years7: | 1935–1937 |
| Clubs7: | Austria Wien |
| Nationalyears1: | 1932–1937 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1948–1949 |
| Managerclubs1: | FC Biel |
| Manageryears2: | 1950–1957 |
| Managerclubs2: | IFK Norrköping |
| Manageryears3: | 1957–1958 |
| Managerclubs3: | Austria Wien |
| Manageryears4: | 1958–1959 |
| Managerclubs4: | Atalanta |
| Manageryears5: | 1960 |
| Managerclubs5: | Örgryte IS |
| Manageryears6: | 1965–1966 |
| Managerclubs6: | Sturm Graz |
| Managerclubs7: | SV Stockerau |
| Manageryears8: | 1970 |
| Managerclubs8: | Bodø/Glimt |
| Manageryears9: | 1971 |
| Managerclubs9: | HamKam |
Karl Adamek (23 July 1910 in Vienna - 8 January 2000) was an Austrian international footballer and manager.