| Birth Date: | 1939 5, df=y |
| Birth Place: | Amsterdam, the Netherlands |
| Height: | 1.89m (06.2feet) |
| Weight: | 76kg (168lb) |
| Sport: | Rowing |
| Club: | Nereus, Amsterdam |
| Headercolor: | lightsteelblue |
| Show-Medals: | yes |
Sjoerd Wartena (born 1 May 1939) is a retired Dutch rower. He competed at the 1964 Summer Olympics in the coxless fours, together with Jim Enters, Herman Boelen and Sipke Castelein, and finished in fourth place. He won a silver medal in the coxed pairs at the 1963 European Championships.
Son of a doctor, Wartena studied literature and worked at a university library in Amsterdam. In the 1970s he moved to a village in southern France, where he learned farming and in 2003 founded the movement Terre de Liens devoted to ecologically friendly agriculture.