| 157 | CEB Rice | Transvaal v Orange Free State | 1975/76 | a1555 |
| 156* | HR Fotheringham | Transvaal v Orange Free State | 1979/80 | a2556 |
| 124 | LML Barnwell | Eastern Province v Orange Free State | 1970/71 | a448 |
| 109* | BJ Whitfield | Natal v Orange Free State | 1984/85 | a4220 |
| 109* | RM Bentley | Natal v Orange Free State | 1984/85 | a4220 |
| 104 | CP Wilkins | Eastern Province v Orange Free State | 1977/78 | a2065 |
| 102 | BF Davison | Rhodesia v Orange Free State | 1974/75 | a1305 |