| Birth Date: | 1950 3, df=y |
| Birth Place: | Leipzig, Germany |
| Height: | 1.88m (06.17feet) |
| Weight: | 65kg (143lb) |
| Sport: | Swimming |
| Club: | SC Dynamo Berlin |
| Show-Medals: | yes |
Karl-Rüdiger Mann (born 24 March 1950) is a retired East German swimmer. In 1968 he won the national championships in the 1500 m freestyle event and was selected for the 1968 Summer Olympics, but failed to reach the finals.