| 150* | MN van Wyk | for Free State | Goodyear Park, Bloemfontein | 2002/03 | a14603 |
| 144 | T Stubbs | for Eastern Province | St George's Park, Gqeberha | 2022/23 | a29771 |
| 137 | NJ Astle | for New Zealanders | Soweto Cricket Oval, Soweto | 2000/01 | a13000 |
| 137 | FA Steyn | for North West | Sedgars Park, Potchefstroom | 2005/06 | a17324 |
| 135* | PE Kruger | for Eastern Province | Imperial Wanderers Stadium, Johannesburg | 2023/24 | a30254 |
| 126 | PN Kirsten | for Western Province | Newlands, Cape Town | 1989/90 | a6313 |
| 122* | KC Wessels | for Eastern Province | New Wanderers Stadium, Johannesburg | 1992/93 | a8014 |
| 119 | MJR Rindel | for Northern Transvaal | New Wanderers Stadium, Johannesburg | 1996/97 | a10133 |
| 119 | JJ Pienaar | for Easterns | Willowmoore Park Main Oval, Benoni | 2009/10 | a20266 |
| 117 | W Larkins | for Eastern Province | St George's Park, Port Elizabeth | 1982/83 | a3522 |
| 117* | PJ Malan | for Northerns | Bidvest Wanderers Stadium, Johannesburg | 2010/11 | a21210 |
| 117* | LA Schlemmer | for KwaZulu-Natal Inland | Walter Milton Oval, University of Witwatersrand, Johannesburg | 2018/19 | a26771 |
| 116 | CG Williams | for Namibia | Bidvest Wanderers Stadium, Johannesburg | 2010/11 | a21251 |
| 116 | DS Rosier | for Eastern Province | St George's Park, Gqeberha | 2022/23 | a29771 |
| 114 | PH Williams | for Natal | Kingsmead, Durban | 1979/80 | a2585 |
| 114* | PJR Steyn | for Orange Free State | Springbok Park, Bloemfontein | 1992/93 | a8004 |
| 114* | MN van Wyk | for Free State | New Wanderers Stadium, Johannesburg | 2001/02 | a14041 |
| 114* | K Nipper | for KwaZulu-Natal Inland | Bidvest Wanderers Stadium, Johannesburg | 2016/17 | a24948 |
| 113* | HG Kuhn | for Northerns | Walter Milton Oval, University of Witwatersrand, Johannesburg | 2005/06 | a17263 |
| 111 | ML Bruyns | for Natal | New Wanderers Stadium, Johannesburg | 1997/98 | a10875 |
| 111* | P de Bruyn | for KwaZulu-Natal | Alan Lawson Oval, Johannesburg | 2009/10 | a20227 |
| 110 | LA Schlemmer | for KwaZulu-Natal Inland | City Oval, Pietermaritzburg | 2017/18 | a25845 |
| 109* | CC Bradfield | for Eastern Province | St George's Park, Port Elizabeth | 2003/04 | a15718 |
| 108 | WJ Cronje | for Orange Free State | New Wanderers Stadium, Johannesburg | 1991/92 | a7324 |
| 108* | WJ Smit | for Boland | Boland Park, Paarl | 2005/06 | a17370 |
| 108 | C Jonker | for South Western Districts | Walter Milton Oval, University of Witwatersrand, Johannesburg | 2011/12 | a21944 |
| 107 | LJ Koen | for Eastern Province | St George's Park, Port Elizabeth | 1994/95 | a9161 |
| 107* | DJ Callaghan | for Eastern Province | New Wanderers Stadium, Johannesburg | 1999/00 | a12540 |
| 107* | PJ Koortzen | for Griqualand West | De Beers Diamond Oval, Kimberley | 2000/01 | a13261 |
| 107 | HG de Kock | for Free State | Liberty Life Wanderers Stadium, Johannesburg | 2005/06 | a17140 |
| 106 | BM Osborne | for Border | Buffalo Park, East London | 1990/91 | a6867 |
| 105 | HH Gibbs | for Western Province | New Wanderers Stadium, Johannesburg | 2000/01 | a13189 |
| 104 | CI Dey | for North Eastern Transvaal | Berea Park, Pretoria | 1970/71 | a450 |
| 104 | M Yachad | for Northern Transvaal | Centurion Park, Verwoerdburg | 1990/91 | a6939 |
| 104* | M Michau | for Eastern Province | St George's Park, Port Elizabeth | 1993/94 | a8334 |
| 104 | K Rapulana | for North West | Senwes Park, Potchefstroom | 2018/19 | a26914 |
| 104 | PJ Malan | for Boland | Eurolux Boland Park, Paarl | 2021/22 | a28940 |
| 103 | CEB Rice | for Natal | New Wanderers Stadium, Johannesburg | 1993/94 | a8399 |
| 103* | WJ Smit | for Free State | New Wanderers Stadium, Johannesburg | 1999/00 | a12449 |
| 102 | RF Pienaar | for Northern Transvaal | New Wanderers Stadium, Johannesburg | 1985/86 | a4684 |
| 102 | RH Frenz | for North West | Senwes Park, Potchefstroom | 2016/17 | a25221 |
| 100 | GC Victor | for Eastern Province | New Wanderers Stadium, Johannesburg | 1994/95 | a9101 |
| 100 | M Marais | for Border | Bidvest Wanderers Stadium, Johannesburg | 2016/17 | a25397 |
| 100 | VB Mahlangu | for Northerns | Imperial Wanderers Stadium, Johannesburg | 2019/20 | a27878 |
| 100 | L Senokwane | for North West | ABSA Oval, Johannesburg | 2019/20 | a28039 |
| 100* | AL Phehlukwayo | for KwaZulu-Natal Coastal | Imperial Wanderers Stadium, Johannesburg | 2021/22 | a28967 |
