| Pieter Keijzer | |
| Fullname: | Pieter Keijzer |
| Nationality: | Dutch |
| Birth Date: | 10 April 1949 |
| Birth Place: | Amsterdam |
| Height: | 1.92m (06.3feet) |
| Classes: | Soling |
| Club: | Koninklijke Nederlandsche Zeil en Roei Vereeniging |
| Show-Medals: | yes |
| Updated: | 2014-01-29 |
Pieter Keijzer (born 10 April 1949 in Amsterdam) is a sailor from the Netherlands, who represented his country at the 1976 Summer Olympics in Kingston, Canada. With helmsman Geert Bakker and fellow crew member Harald de Vlaming Keijzer took the 5th place in the Soling. Pieter later specialized as helmsman in the Dragon, racing together with Ab Ekels and Harald de Vlaming.
Pieter Keijzer was head of the Dutch Olympic Sailing Team for the 2008 Summer Olympics and is past president of the Koninklijke Nederlandsche Zeil en Roei Vereeniging.