| 136 | JP Kotze | Namibia v United States of America | Central Broward Regional Park Stadium Turf Ground, Lauderhill | 2019 |
| 133 | M van Lingen | Namibia v Nepal | Tribhuvan University International Cricket Ground, Kirtipur | 2022/23 |
| 129* | CG Williams | Namibia v Oman | Al Amerat Cricket Ground, Al Amerat | 2019/20 |
| 125 | MG Erasmus | Namibia v Papua New Guinea | United Ground, Windhoek | 2022/23 |
| 121* | MG Erasmus | Namibia v Oman | ICC Cricket Academy Ground, Dubai | 2021/22 |
| 119* | M van Lingen | Namibia v Papua New Guinea | Amini Park, Port Moresby | 2022/23 |
| 119 | M van Lingen | Namibia v Nepal | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 110* | M van Lingen | Namibia v Jersey | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 107 | M van Lingen | Namibia v United Arab Emirates | Wanderers Cricket Ground, Windhoek | 2024/25 |
| 96* | MG Erasmus | Namibia v Scotland | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 94 | JJ Smit | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2021/22 |
| 90 | N Davin | Namibia v Papua New Guinea | United Ground, Windhoek | 2022/23 |
| 88 | MG Erasmus | Namibia v Papua New Guinea | Central Broward Regional Park Stadium Turf Ground, Lauderhill | 2019 |
| 88* | MG Erasmus | Namibia v Jersey | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 87 | MG Erasmus | Namibia v United States of America | Amini Park, Port Moresby | 2022/23 |
| 85 | AJ Burger | Namibia v England | St George's Park, Port Elizabeth | 2002/03 |
| 83 | S Fouché | Namibia v Canada | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 79 | CG Williams | Namibia v United Arab Emirates | Sharjah Cricket Association Stadium, Sharjah | 2021/22 |
| 76 | MG Erasmus | Namibia v Oman | Sharjah Cricket Association Stadium, Sharjah | 2021/22 |
| 75* | ZE Green | Namibia v Nepal | Tribhuvan University International Cricket Ground, Kirtipur | 2022/23 |
