| Pierre Hemmer | |
| Nationality: | Luxembourgian |
| Sport: | Middle-distance running |
| Event: | 800 metres |
| Birth Date: | 6 April 1912 |
Pierre Hemmer (6 April 1912 - 23 November 1976) was a Luxembourgian middle-distance runner. He competed in the men's 800 metres at the 1936 Summer Olympics.[1]