| Heinz Manchen | |
| Birth Date: | 2 May 1931 |
| Birth Place: | Bremen, Germany |
| Death Place: | Bremen, West Germany |
| Sport: | Rowing |
Heinz Joachim Manchen (2 May 1931 – 20 March 1978) was a German rower who competed in the 1952 Summer Olympics. In 1952 he was a crew member of the German boat which won the silver medal in the coxed pair event.