| Birth Date: | 12 June 1980 |
| Birth Place: | Domažlice, Czechoslovakia |
| Height: | 1.97m (06.46feet) |
| Weight: | 82kg (181lb) |
| Sport: | Swimming |
| Club: | Vevey Natation, SC Uster Wallisellen |
Karel Novy (born 12 June 1980 as Karel Nový) is a Swiss freestyle swimmer who won three bronze medals at short-course (25 m pool) European Championships. He also competed in five freestyle events at the Summer Olympics of 2000, 2004 and 2008, but never reached the finals.