| Klaus Behrens | |
| Birth Date: | 3 August 1941 |
| Birth Place: | Ratzeburg, Schleswig-Holstein, Prussia, Germany |
| Death Place: | Frankfurt am Main, Hesse, Germany |
| Height: | 1.91 m |
| Weight: | 88kg (194lb) |
| Sport: | Rowing |
| Club: | Ratzeburger RC |
| Show-Medals: | yes |
Klaus Behrens (3 August 1941 – 19 September 2022) was a German rower who was most successful in the eights. In this event he won a silver medal at the 1964 Summer Olympics, a world title in 1962, and three European titles in 1963–1965.