| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Johannes Christoffel "Jannie"•Greeff |
| Used name | Jannie•Greeff |
| Born | 4 December 1935 |
| Died | 12 December 2010 (aged 75 years 8 days) in Pretoria, Gauteng (RSA) |
| Measurements | 75 kg |
| NOC |  South Africa |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Weightlifting | RSA |
Jannie Greeff | |||
| Middleweight, Men (Olympic) | 10 |
