| Birth Date: | 26 August 1982 |
| Birth Place: | Oldenburg, West Germany |
| Height: | 1.93 m |
| Weight: | 83kg (183lb) |
| Sport: | Swimming |
| Club: | SV Wasserfreunde 98, Hannover |
Jens Schreiber (born 26 August 1982) is a German freestyle swimmer who won four medals at European Short Course Swimming Championships in 2003, 2004 and 2006; in 2006, his 4×50 m medley relay team won gold medals, setting a new world record. He also competed in four freestyle events at the Summer Olympics of 2004 and 2008; his best achievement was sixth place in the 4 × 200 m freestyle relay in 2004.