| Name | # Entries |
|---|---|
| Coetzee | 2075 |
| Chetty | 2011 |
| Cloete | 1077 |
| Coetzer | 667 |
| Cronje | 588 |
| Conradie | 570 |
| Cele | 568 |
| Campbell | 470 |
| Clark | 411 |
| Collins | 402 |
| Clarke | 383 |
| Cupido | 382 |
| Cilliers | 368 |
| Cooper | 352 |
| Chauke | 344 |
| Cell | 343 |
| Claassen | 308 |
| Cassim | 303 |
| Carstens | 277 |
| Claasen | 268 |
| Cox | 267 |
| Cook | 258 |
| Carelse | 218 |
| Chapman | 218 |
| Carter | 212 |
| Crous | 209 |
| Cornelius | 194 |
| Calitz | 188 |
| Cohen | 187 |
| Cameron | 177 |
| Charles | 174 |
| Combrink | 174 |
| Costa | 160 |
| Coleman | 139 |
| Carr | 138 |
| Clayton | 130 |
| Combrinck | 129 |
| Cole | 129 |
| Chen | 128 |
| Cross | 125 |
| Cunningham | 121 |
| Carolus | 117 |
| Crawford | 115 |
| Christie | 110 |
| Cooke | 106 |
| Christians | 105 |
| Craig | 102 |
| Crafford | 101 |
| Chambers | 96 |
| Coller | 93 |
| Currie | 93 |
| Claassens | 92 |
| Campher | 91 |
| Carrim | 86 |
| Cowan | 86 |
| Cornelissen | 83 |
| Classen | 81 |
| Cajee | 80 |
| Christian | 80 |
| Correia | 79 |
| Curtis | 79 |
| Cawood | 77 |
| Cyster | 76 |
| Coertzen | 76 |
| Cassiem | 76 |
| Colyn | 74 |
| Cindi | 71 |
| Cairns | 70 |
| Carroll | 70 |
| Crouse | 69 |
| Cochrane | 69 |
| Chamberlain | 68 |
| Chan | 67 |
| Coetsee | 67 |
| Collett | 67 |