| Birth Date: | 29 August 1936 |
| Birth Place: | Enkhuizen, the Netherlands |
| Death Date: | 8 October 2001 (aged 65) |
| Death Place: | Enkhuizen, the Netherlands |
| Height: | 1.74m (05.71feet) |
| Weight: | 70kg (150lb) |
| Sport: | High jump |
| Club: | HBS Flevo |
| Show-Medals: | yes |
Petronella Veronica Maria "Nel" Zwier (29 August 1936 – 8 October 2001) was a Dutch high jumper. She competed at the 1960 Summer Olympics and finished in ninth place. In 1959 she won the Amateur Athletic Association of England title with a jump of 1.65 m.