| Birth Date: | 1 March 1938 |
| Birth Place: | Hürth, Germany |
| Sport: | Motor-paced racing |
| Show-Medals: | yes |
Jean Breuer (born 1 March 1938) is a retired German cyclist who specialized in motor-paced racing. As amateur he won a silver medal at the UCI Motor-paced World Championships in 1972 and a gold medal in 1974. He then changed to professionals and won a bronze medal in 1975.
His son Christoph Breuer is also a competitive cyclist.