| Jannie Greeff | |
| Nationality: | South African |
| Sport: | Weightlifting |
| Birth Date: | 4 December 1935 |
| Birth Place: | South Africa |
Jannie Greeff (4 December 1935 - 12 December 2010) was a South African weightlifter. He competed in the men's middleweight event at the 1956 Summer Olympics.[1]