| Karel Hardeman | |
| Nationality: | Dutch |
| Sport: | Rowing |
| Birth Date: | 29 June 1914 |
| Birth Place: | Surabaya, Dutch East Indies |
| Death Place: | The Hague, Netherlands |
Karel Hardeman (29 June 1914 - 5 October 2010) was a Dutch rower. He competed in the men's coxed pair event at the 1936 Summer Olympics.[1]