| Gunnar Kemnitz | |
| Sport: | Diving |
| Birth Date: | 16 December 1927 |
| Birth Place: | São Paulo, Brazil |
| Death Place: | Phoenix, Arizona, U.S. |
Gunnar Kemnitz (16 December 1927 - 27 December 2009) was a Brazilian diver. He competed in the men's 3 metre springboard event at the 1948 Summer Olympics.[1]