| Birth Date: | 18 August 1940 |
| Birth Place: | Zaandam, Netherlands |
| Height: | 1.91m (06.27feet) |
| Weight: | 70kg (150lb) |
| Club: | Nereus, Zaandijk |
Jan Weeteling (born 18 August 1940) is a retired Dutch swimmer who won a bronze medal in the 4 × 100 m medley relay at the 1962 European Aquatics Championships. He also competed in the 200 m backstroke and 4 × 100 m medley relay at the 1964 Summer Olympics but was eliminated in the preliminaries. He won the silver medal in the 200 m backstroke at the 1963 Summer Universiade.[1]
Bep is the elder brother of the former swimmer Bep Weeteling who also participated in the 1964 Olympics.