| Klaus Altena | |
| Birth Date: | 19 November 1962 |
| Height: | 181 cm |
| Sport: | Rowing |
| Club: | RVO, RaW, RRC |
Klaus Altena (born 19 November 1962) is a German lightweight rower. He won a gold medal at the 1989 World Rowing Championships in Bled, Slovenia and 1990 in Tasmania, Australia with the lightweight men's four.[1]
He also keeps a record with the lightweight men's eight: 5:30.28 min.