| 1 | 108 | M van Lingen & N Davin | Namibia v Zimbabwe | 2023/24 | tt12837 |
| 2 | 171* | DA Hendricks & GH Bodi | Gauteng v Namibia | 2011/12 | tt2490 |
| 3 | 143* | JN Loftie-Eaton & JJ Smit | Namibia A v Ireland Wolves | 2021/22 | tt10651 |
| 4 | 129 | SF Burger & G Snyman | Namibia v Scotland | 2011/12 | tt2419 |
| 5 | 124 | Irfan Ahmed & JJ Atkinson | Hong Kong v Namibia | 2015 | tt4912 |
| 6 | 81 | SF Burger & R van Schoor | Namibia v Hong Kong | 2015 | tt4912 |
| 7 | 67 | K Nassoro & SA Jumbe | Tanzania v Rwanda | 2023/24 | tt12941 |
| 8 | 49 | Z Swartz & AM Brooker | Northern Cape v Namibia | 2015/16 | tt5495 |
| 9 | 37 | BM Scholtz & HW Geldenhuys | Namibia v Western Province | 2012/13 | tt3559 |
| 10 | 28* | T Peter & LB Williams | Western Province v Namibia | 2014/15 | tt4573 |