| 8-35 | LAJ Pope | Australia Under-19s v England Under-19s | Queenstown Events Centre, Queenstown | 2017/18 |
| 7-15 | JT Ralston | Australia Under-19s v Papua New Guinea Under-19s | Lincoln No 3, Lincoln | 2017/18 |
| 7-19 | BMAJ Mendis | Sri Lanka Under-19s v Zimbabwe Under-19s | Hagley Oval, Christchurch | 2001/02 |
| 7-20 | TA Boult | New Zealand Under-19s v Malaysia Under-19s | Johor Cricket Academy Oval, Johor | 2007/08 |
| 7-29 | TC Ali | England Under-19s v Zimbabwe Under-19s | JB Marks Cricket Oval, Potchefstroom | 2023/24 |
| 6-3 | RK Vishvakarma | Nepal Under-19s v Papua New Guinea Under-19s | Peter Burge Oval, Brisbane | 2012 |
| 6-8 | WD Parnell | South Africa Under-19s v Bangladesh Under-19s | Bayuemas Oval, Kuala Lumpur | 2007/08 |
| 6-15 | Shaheen Shah Afridi | Pakistan Under-19s v Ireland Under-19s | Cobham Oval (New), Whangarei | 2017/18 |
| 6-15 | Shafiqullah Ghafari | Afghanistan Under-19s v South Africa Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 6-21 | KT Maphaka | South Africa Under-19s v Sri Lanka Under-19s | JB Marks Cricket Oval, Potchefstroom | 2023/24 |
| 6-23 | K Passi | India Under-19s v Zimbabwe Under-19s | Tony Ireland Stadium, Townsville | 2012 |
| 6-24 | LD Madushanka | Sri Lanka Under-19s v Ireland Under-19s | Allan Border Field, Brisbane | 2012 |
| 6-24 | JS Cairns | Scotland Under-19s v Uganda Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 6-24 | TC Straker | Australia Under-19s v Pakistan Under-19s | Willowmoore Park Main Oval, Benoni | 2023/24 |
| 6-25 | K Rabada | South Africa Under-19s v Australia Under-19s | Dubai Sports City Stadium, Dubai | 2013/14 |
| 6-29 | Adil Raza | Pakistan Under-19s v Malaysia Under-19s | Johor Cricket Academy Oval, Johor | 2007/08 |
| 6-31 | T Panyangara | Zimbabwe Under-19s v Australia Under-19s | Shaheed Chandu Stadium, Bogra | 2003/04 |
| 6-33 | Aftab Alam | Afghanistan Under-19s v Papua New Guinea Under-19s | Nelson Park, Napier | 2009/10 |
| 6-37 | E Isaneez | Uganda Under-19s v Bangladesh Under-19s | Chittagong Divisional Stadium, Chittagong | 2003/04 |
| 6-39 | LS Baker | West Indies Under-19s v Sri Lanka Under-19s | Fatullah Khan Saheb Osmani Stadium, Fatullah | 2003/04 |
| 6-46 | A Kumar | Canada Under-19s v Japan Under-19s | North West University No 2 Ground, Potchefstroom | 2019/20 |
| 6-50 | NM McDarby | Ireland Under-19s v England Under-19s | Colombo Cricket Club Ground, Colombo | 2005/06 |
| 6-56 | Awais Ali | Pakistan Under-19s v Zimbabwe Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 6-59 | CT Cokovaki | Fiji Under-19s v West Indies Under-19s | MA Aziz Stadium, Chittagong | 2015/16 |
| 6-68 | JPR Scantlebury-Searles | West Indies Under-19s v India Under-19s | R Premadasa Stadium, Colombo | 2005/06 |
| 5-7 | Mohammad Shehzad | Pakistan Under-19s v Papua New Guinea Under-19s | Queen's Park Oval, Port of Spain | 2021/22 |
| 5-10 | WVV Ranpul | Sri Lanka Under-19s v Afghanistan Under-19s | Coolidge Cricket Ground, Coolidge | 2021/22 |
| 5-11 | TG Southee | New Zealand Under-19s v Zimbabwe Under-19s | Johor Cricket Academy Oval, Johor | 2007/08 |
| 5-12 | Mohammad Wasim | Pakistan Under-19s v Scotland Under-19s | Absa Puk Oval, Potchefstroom | 2019/20 |
| 5-14 | Zahid Saeed | Pakistan Under-19s v New Zealand Under-19s | R Premadasa Stadium, Colombo | 1999/00 |
| 5-14 | AS Roy | India Under-19s v Papua New Guinea Under-19s | Bay Oval, Mount Maunganui | 2017/18 |
| 5-14 | TS Sangha | Australia Under-19s v Nigeria Under-19s | Country Club B Field, Kimberley | 2019/20 |
| 5-15 | Hannan Sarkar | Bangladesh Under-19s v Namibia Under-19s | Uyanwatte Stadium, Matara | 1999/00 |
| 5-16 | T Dai | Papua New Guinea Under-19s v Kenya Under-19s | St Stithian's College Ground, Johannesburg | 1997/98 |
| 5-16 | K Spelman | Ireland Under-19s v Papua New Guinea Under-19s | Lenasia Stadium, Johannesburg | 1997/98 |
| 5-17 | Danish Kaneria | Pakistan Under-19s v Australia Under-19s | R Premadasa Stadium, Colombo | 1999/00 |
| 5-18 | B Yadram | West Indies Under-19s v Kenya Under-19s | Lincoln No 3, Lincoln | 2017/18 |
| 5-19 | JO Holder | West Indies Under-19s v England Under-19s | MainPower Oval, Rangiora | 2009/10 |
| 5-19 | Rakibul Hasan | Bangladesh Under-19s v South Africa Under-19s | Senwes Park, Potchefstroom | 2019/20 |
| 5-19 | J Kariko | Papua New Guinea Under-19s v Uganda Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 5-20 | Muzamil Sherzad | Ireland Under-19s v Zimbabwe Under-19s | Queen's Park Oval, Port of Spain | 2021/22 |
| 5-21 | W Mwayenga | Zimbabwe Under-19s v Kenya Under-19s | Eden Park Outer Oval, Auckland | 2001/02 |
| 5-21 | B Karki | Nepal Under-19s v Namibia Under-19s | Peter Burge Oval, Brisbane | 2012 |
| 5-21 | Ravikant Singh | India Under-19s v Papua New Guinea Under-19s | Endeavour Park, Townsville | 2012 |
| 5-21 | LP Goldsworthy | England Under-19s v Sri Lanka Under-19s | Willowmoore Park Main Oval, Benoni | 2019/20 |
| 5-21 | MB Rowe | New Zealand Under-19s v Afghanistan Under-19s | Buffalo Park, East London | 2023/24 |
| 5-22 | TH Welsford | Australia Under-19s v New Zealand Under-19s | Tyronne Fernando Stadium, Moratuwa | 1999/00 |
| 5-23 | Shafiqullah Ghafari | Afghanistan Under-19s v United Arab Emirates Under-19s | Absa Puk Oval, Potchefstroom | 2019/20 |
| 5-23 | IC Uboh | Nigeria Under-19s v Japan Under-19s | North West University No 2 Ground, Potchefstroom | 2019/20 |
| 5-24 | WN Madhevere | Zimbabwe Under-19s v Fiji Under-19s | MA Aziz Stadium, Chittagong | 2015/16 |
| 5-24 | P Burger | Namibia Under-19s v Kenya Under-19s | Lincoln No 3, Lincoln | 2017/18 |
| 5-25 | DT Mutendera | Zimbabwe Under-19s v Papua New Guinea Under-19s | Recreation Centre, Klerksdorp | 1997/98 |
| 5-25 | JA Morkel | South Africa Under-19s v Americas Under-19s | Welagedara Stadium, Kurunegala | 1999/00 |
| 5-25 | PJ McMahon | England Under-19s v Nepal Under-19s | Lincoln No 3, Lincoln | 2001/02 |
| 5-25 | KPCM Peiris | Sri Lanka Under-19s v Canada Under-19s | Lincoln No 3, Lincoln | 2009/10 |
| 5-26 | RD McGerrigle | Ireland Under-19s v Denmark Under-19s | Christian Brothers College Old Boys Ground, Boksburg | 1997/98 |
| 5-26 | GJ Thompson | Ireland Under-19s v Bermuda Under-19s | Johor Cricket Academy Oval, Johor | 2007/08 |
| 5-27 | JC Scuderi | Australia Young Cricketers v England Young Cricketers | Renmark Oval, Renmark | 1987/88 |
| 5-27 | CKB Kulasekara | Sri Lanka Under-19s v Canada Under-19s | Bir Shrestha Shahid Captain Mohiuddin Jahangir Stadium, Rajshahi | 2003/04 |
| 5-27 | S Lamichhane | Nepal Under-19s v Ireland Under-19s | Khan Shaheb Osman Ali Stadium, Fatullah | 2015/16 |
| 5-27 | DN Wellalage | Sri Lanka Under-19s v Scotland Under-19s | Everest Cricket Club Ground, Georgetown | 2021/22 |
| 5-28 | DM Senekal | South Africa Under-19s v Ireland Under-19s | Welagedara Stadium, Kurunegala | 1999/00 |
| 5-28 | RPO Nurse | West Indies Under-19s v Australia Under-19s | Carisbrook, Dunedin | 2001/02 |
| 5-28 | Riaz Afridi | Pakistan Under-19s v West Indies Under-19s | Khulna Divisional Stadium, Khulna | 2003/04 |
| 5-28 | VK Ostwal | India Under-19s v South Africa Under-19s | Guyana National Stadium, Providence | 2021/22 |
| 5-28 | DN Wellalage | Sri Lanka Under-19s v Australia Under-19s | Conaree Sports Club, Conaree | 2021/22 |
| 5-29 | R Scholtz | Namibia Under-19s v England Under-19s | NF Oppenheimer Ground, Randjesfontein | 1997/98 |
| 5-29 | Tanvirul Islam | Bangladesh Under-19s v Papua New Guinea Under-19s | St John's College Ground, Johannesburg | 1997/98 |
| 5-29 | S Keshvani | Canada Under-19s v Bangladesh Under-19s | Chittagong Divisional Stadium, Chittagong | 2003/04 |
| 5-29 | R Das Neves | South Africa Under-19s v United States of America Under-19s | P Saravanamuttu Stadium, Colombo | 2005/06 |
| 5-29 | JAR Harris | England Under-19s v Bangladesh Under-19s | Royal Selangor Club, Kuala Lumpur | 2007/08 |
| 5-30 | Nazmul Hossain | Bangladesh Under-19s v Uganda Under-19s | Chittagong Divisional Stadium, Chittagong | 2003/04 |
| 5-30 | DJ Bartlett | New Zealand Under-19s v Uganda Under-19s | Nondescripts Cricket Club Ground, Colombo | 2005/06 |
| 5-31 | Enamul Haque | Bangladesh Under-19s v Australia Under-19s | Fatullah Khan Saheb Osmani Stadium, Fatullah | 2003/04 |
| 5-31 | R Bawa | India Under-19s v England Under-19s | Sir Vivian Richards Stadium, North Sound | 2021/22 |
| 5-32 | TM Odoyo | Kenya Under-19s v Ireland Under-19s | Gert Van Rensburg Stadium, Fochville | 1997/98 |
| 5-32 | CA Soper | Papua New Guinea Under-19s v India Under-19s | Endeavour Park, Townsville | 2012 |
| 5-32 | RJW Topley | England Under-19s v Bangladesh Under-19s | Endeavour Park No 2, Townsville | 2012 |
| 5-32 | GW Coetzee | South Africa Under-19s v New Zealand Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 5-33 | FA Jones | South Africa Under-19s v Bangladesh Under-19s | Queenstown Events Centre, Queenstown | 2017/18 |
| 5-34 | Anwar Ali | Pakistan Under-19s v New Zealand Under-19s | Sinhalese Sports Club Ground, Colombo | 2005/06 |
| 5-34 | RC Haoda | Papua New Guinea Under-19s v Afghanistan Under-19s | Nelson Park, Napier | 2009/10 |
| 5-34 | Zakiullah | Afghanistan Under-19s v Hong Kong Under-19s | Hagley Oval, Christchurch | 2009/10 |
| 5-34 | A Chand | Nepal Under-19s v Afghanistan Under-19s | Buffalo Park, East London | 2023/24 |
| 5-34 | KT Maphaka | South Africa Under-19s v Zimbabwe Under-19s | JB Marks Cricket Oval, Potchefstroom | 2023/24 |
| 5-35 | Anwar Ali | Pakistan Under-19s v India Under-19s | R Premadasa Stadium, Colombo | 2005/06 |
| 5-36 | Karamat Ali | Pakistan Under-19s v Scotland Under-19s | ICC Cricket Academy Ground No 2, Dubai | 2013/14 |
| 5-36 | LMD Madushanka | Sri Lanka Under-19s v Nigeria Under-19s | North West University No 2 Ground, Potchefstroom | 2019/20 |
| 5-37 | Qasim Akram | Pakistan Under-19s v Sri Lanka Under-19s | Sir Vivian Richards Stadium, North Sound | 2021/22 |
| 5-38 | KT Maphaka | South Africa Under-19s v West Indies Under-19s | JB Marks Cricket Oval, Potchefstroom | 2023/24 |
| 5-39 | CC Lewis | England Young Cricketers v Pakistan Young Cricketers | Chaffey Park, Merbein | 1987/88 |
| 5-40 | CRM Douglas | Bermuda Under-19s v Ireland Under-19s | Royal Selangor Club, Kuala Lumpur | 2007/08 |
| 5-41 | D Hooda | India Under-19s v Pakistan Under-19s | Dubai Sports City Stadium, Dubai | 2013/14 |
| 5-42 | Riaz Afridi | Pakistan Under-19s v England Under-19s | Fatullah Khan Saheb Osmani Stadium, Fatullah | 2003/04 |
| 5-43 | Afif Hossain | Bangladesh Under-19s v Canada Under-19s | Bert Sutcliffe Oval, Lincoln | 2017/18 |
| 5-43 | Maruf Mridha | Bangladesh Under-19s v India Under-19s | Mangaung Oval, Bloemfontein | 2023/24 |
| 5-44 | P Sangwan | India Under-19s v South Africa Under-19s | Kinrara Academy Oval, Kuala Lumpur | 2007/08 |
| 5-44 | S Bhandari | Nepal Under-19s v Bangladesh Under-19s | Mangaung Oval, Bloemfontein | 2023/24 |
| 5-44 | Ubaid Shah | Pakistan Under-19s v Bangladesh Under-19s | Willowmoore Park Main Oval, Benoni | 2023/24 |
| 5-45 | CN Kent | Papua New Guinea Under-19s v Zimbabwe Under-19s | Endeavour Park, Townsville | 2012 |
| 5-45 | NRJ Young | West Indies Under-19s v England Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 5-47 | A Mboya | Kenya Under-19s v India Under-19s | Azaadville Oval, Azaadville | 1997/98 |
| 5-47 | MK Lomror | India Under-19s v New Zealand Under-19s | Shere Bangla National Stadium, Mirpur | 2015/16 |
| 5-48 | FJS Haque | Canada Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2017/18 |
| 5-49 | GJ Thompson | Ireland Under-19s v West Indies Under-19s | Khulna Divisional Stadium, Khulna | 2003/04 |
| 5-49 | PT Chesa | Zimbabwe Under-19s v Scotland Under-19s | De Beers Diamond Oval, Kimberley | 2019/20 |
| 5-51 | ML Nkala | Zimbabwe Under-19s v West Indies Under-19s | Witrand Cricket Field, Potchefstroom | 1997/98 |
| 5-58 | AT Falao | Zimbabwe Under-19s v Pakistan Under-19s | Diego Martin Sporting Complex, Diego Martin | 2021/22 |
| 5-61 | A Rajp | United States of America Under-19s v New Zealand Under-19s | P Saravanamuttu Stadium, Colombo | 2005/06 |
