| Name | # Entries |
|---|---|
| Roux | 2516 |
| Robinson | 2440 |
| Rensburg | 2282 |
| Roberts | 2240 |
| Robertson | 2134 |
| Reid | 1799 |
| Ross | 1746 |
| Russell | 1430 |
| Rooyen | 1241 |
| Rogers | 1221 |
| Ryan | 1215 |
| Rowe | 769 |
| Reddy | 757 |
| Reynolds | 752 |
| Rossouw | 744 |
| Rose | 715 |
| Rev | 630 |
| Read | 622 |
| Ritchie | 548 |
| Riley | 538 |
| Richards | 512 |
| Radebe | 498 |
| Roos | 468 |
| Robson | 430 |
| Rae | 380 |
| Ramsay | 370 |
| Rodgers | 366 |
| Robb | 337 |
| Reeves | 324 |
| Rees | 307 |
| Randall | 286 |
| Rautenbach | 268 |
| Ryder | 248 |
| Rice | 242 |
| Rayner | 237 |
| Rankin | 231 |
| Reeve | 230 |
| Rennie | 226 |
| Roets | 217 |
| Riddell | 205 |
| Rademeyer | 200 |
| Rowland | 199 |
| Richter | 195 |
| Richardson | 195 |
| Roper | 192 |
| Redelinghuys | 190 |
| Rooney | 190 |
| Roodt | 189 |
| Rudolph | 182 |
| Rust | 181 |
| Reyneke | 180 |
| Radford | 180 |
| Ralph | 174 |
| Rabie | 172 |
| Reenen | 167 |
| Rodger | 164 |
| Rouse | 162 |
| Retief | 160 |
| Rampersad | 158 |
| Robins | 156 |
| Roche | 151 |
| Roach | 150 |
| Ras | 147 |
| Ruiters | 145 |
| Rodrigues | 144 |
| Reed | 141 |
| Rossiter | 141 |
| Ramsamy | 136 |
| Rangi | 134 |
| Roman | 133 |
| Raymond | 132 |
| Rich | 131 |
| Raubenheimer | 130 |
| Rule | 127 |
| Renwick | 125 |