| Wkt |
| 2 | 119 | L Louwrens (114) & S Fouché (28*) | Namibia Under-19s v Kenya Under-19s | Lincoln No 3, Lincoln | 2017/18 |
| 3 | 115 | JW Visagie (69) & ZRJ van Vuuren (86) | Namibia Under-19s v Scotland Under-19s | Willowmoore Park Main Oval, Benoni | 2023/24 |
| 2 | 102* | R van Schoor (60*) & DH Botha (55*) | Namibia Under-19s v Malaysia Under-19s | Johor Cricket Academy Oval, Johor | 2007/08 |
| 6 | 99 | F Rautenbach (39) & M van Lingen (58) | Namibia Under-19s v Nepal Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2015/16 |
| 1 | 95 | SJ Loftie-Eaton (67*) & N Davin (52) | Namibia Under-19s v Scotland Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 5 | 93 | H Ludik (49*) & BO van Rooi (62) | Namibia Under-19s v New Zealand Under-19s | Hagley Oval, Christchurch | 2001/02 |
| 2 | 93 | ZE Green (57) & MB Kruger (57) | Namibia Under-19s v Canada Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 6 | 87 | RAH Pitchers (78) & SJ Loftie-Eaton (45) | Namibia Under-19s v Zimbabwe Under-19s | Sheikh Zayed Stadium Nursery 2, Abu Dhabi | 2013/14 |
| 3 | 85 | SJ Swanepoel (49) & BO van Rooi (32) | Namibia Under-19s v Canada Under-19s | Colin Maiden Park No 2, Auckland | 2001/02 |
| 2 | 81 | SJ Swanepoel (142) & JP Nel (24) | Namibia Under-19s v Scotland Under-19s | Eden Park Outer Oval, Auckland | 2001/02 |
| 4 | 78* | [unknown] & [unknown] | Namibia Under-19s v Scotland Under-19s | Colombo Cricket Club Ground, Colombo | 2005/06 |
| 5 | 77 | SJ Swanepoel (142) & CF Steytler (32*) | Namibia Under-19s v Scotland Under-19s | Eden Park Outer Oval, Auckland | 2001/02 |
| 4 | 76 | [unknown] & [unknown] | Namibia Under-19s v England Under-19s | NF Oppenheimer Ground, Randjesfontein | 1997/98 |
| 4 | 76 | DH Botha (61) & HS Prinsloo (28) | Namibia Under-19s v India Under-19s | R Premadasa Stadium, Colombo | 2005/06 |
| 2 | 74 | [unknown] & [unknown] | Namibia Under-19s v New Zealand Under-19s | LC de Villiers Oval, Pretoria | 1997/98 |
| 5 | 74 | AJ Burger (69) & P Burger (36*) | Namibia Under-19s v Zimbabwe Under-19s | Galle International Stadium, Galle | 1999/00 |
| 7 | 71 | JM van der Merwe (70) & S Ludick (34*) | Namibia Under-19s v Ireland Under-19s | Moors Sports Club Ground, Colombo | 1999/00 |
| 5 | 71 | SJ Baard (56) & Z Groenewald (54) | Namibia Under-19s v Nepal Under-19s | Peter Burge Oval, Brisbane | 2012 |
| 5 | 69 | E van Wyk (55) & JN Loftie-Eaton (24) | Namibia Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2017/18 |
| 1 | 68 | JM van der Merwe (44) & SJ Swanepoel (38) | Namibia Under-19s v Zimbabwe Under-19s | Galle International Stadium, Galle | 1999/00 |
| 4 | 68 | DH Botha (56) & LP van der Westhuizen (48) | Namibia Under-19s v Australia Under-19s | Penang Sports Club, Penang | 2007/08 |
| 2 | 67* | SJ Loftie-Eaton (67*) & ZE Green (39*) | Namibia Under-19s v Scotland Under-19s | Sheikh Kamal International Cricket Stadium, Cox's Bazar | 2015/16 |
| 3 | 64 | RAH Pitchers (40) & MG Erasmus (37) | Namibia Under-19s v Bangladesh Under-19s | Sheikh Zayed Stadium Nursery 1, Abu Dhabi | 2013/14 |
| 1 | 63 | SJ Swanepoel (142) & M Greeff (13) | Namibia Under-19s v Scotland Under-19s | Eden Park Outer Oval, Auckland | 2001/02 |
| 6 | 62 | H Ludik (30) & M Durant (53*) | Namibia Under-19s v Canada Under-19s | Colin Maiden Park No 2, Auckland | 2001/02 |
| 3 | 62 | [unknown] & [unknown] | Namibia Under-19s v United States of America Under-19s | Sinhalese Sports Club Ground, Colombo | 2005/06 |
| 4 | 61 | M Greeff (43) & JP Nel (31) | Namibia Under-19s v Zimbabwe Under-19s | Lincoln No 3, Lincoln | 2001/02 |
| 4 | 60 | S Silver (41) & LP van der Westhuizen (65) | Namibia Under-19s v Nepal Under-19s | University Sains Malaysia, Penang | 2007/08 |
| 4 | 60 | ZRJ van Vuuren (86) & A Busing-Volschenk (32) | Namibia Under-19s v Scotland Under-19s | Willowmoore Park Main Oval, Benoni | 2023/24 |
| 1 | 59 | SJ Loftie-Eaton (22) & N Davin (33) | Namibia Under-19s v India Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2015/16 |
