| Karl Werner | |
| Height: | 1.87 m |
| Birth Date: | 21 July 1966 |
| Position: | Defender |
| Years1: | 1988–1992 |
| Clubs1: | Fortuna Düsseldorf |
| Caps1: | 128 |
| Goals1: | 3 |
| Years2: | 1992–1993 |
| Clubs2: | SpVgg Bayreuth |
| Years3: | 1994–1997 |
| Clubs3: | Fortuna Düsseldorf |
| Caps3: | 87 |
| Goals3: | 3 |
| Years4: | 1997–1998 |
| Clubs4: | FC St. Pauli |
| Caps4: | 12 |
| Goals4: | 0 |
| Years5: | 1998–1999 |
| Clubs5: | Eintracht Trier |
Karl Werner (born 21 July 1966) is a German former professional footballer who played as a defender.