| Martin Bielz | |
| Nationality: | Romanian |
| Sport: | Rowing |
| Birth Date: | 12 August 1936 |
| Birth Place: | Sighișoara, Romania |
| Death Place: | Ottawa, Ontario, Canada |
Martin Bielz (12 August 1936 – 20 September 2023) was a Romanian rower. He competed in the men's coxless four and men's coxed four events at the 1960 Summer Olympics.
He later became the technical director of The Canadian Association of Amateur Oarsmen.[1] Bielz died on 20 September 2023, at the age of 87.[2]