| Klaus Hahn | |
| Nationality: | German |
| Sport: | Rowing |
| Birth Date: | 4 December 1925 |
| Birth Place: | Heilbronn, Germany |
| Death Place: | Lacanau, France |
Klaus Friedrich Karl Hahn (4 December 1925 - 10 June 2019) was a German rower. He competed in the men's coxless pair event at the 1952 Summer Olympics, representing Saar.[1] He died in June 2019 at the age of 93, leaving just two living former competitors who had represented Saar at the Olympics.[2]