| 2-80 | R Ravindra | New Zealand Under-19s v England Under-19s | Queenstown Events Centre, Queenstown | 2017/18 |
| 0-79 | MJ Fisher | New Zealand Under-19s v Afghanistan Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 1-75 | SB Styris | New Zealand Under-19s v Pakistan Under-19s | Molyneux Park, Alexandra | 1994/95 |
| 2-74 | TT Davis | New Zealand Under-19s v Zimbabwe Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 1-73 | RD Jackson | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 3-73 | DB Hancock | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 0-72 | MJ Hendry | New Zealand Under-19s v England Under-19s | Hagley Park No 2, Christchurch | 1998/99 |
| 0-71 | BJ Barrett | New Zealand Young Cricketers v Australia Under-19s | Lancaster Park, Christchurch | 1986/87 |
| 1-71 | TG Southee | New Zealand Under-19s v Ireland Under-19s | R Premadasa Stadium, Colombo | 2005/06 |
| 1-70 | BNJ Lockrose | New Zealand Under-19s v Afghanistan Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 1-67 | HKP Boam | New Zealand Under-19s v South Africa Under-19s | Lincoln No 3, Lincoln | 2009/10 |
| 0-66 | TT Davis | New Zealand Under-19s v England Under-19s | Bangabandhu National Stadium, Dhaka | 2003/04 |
| 1-66 | KR O'Dowda | New Zealand Young Cricketers v England Young Cricketers | County Ground, Northampton | 1989 |
| 1-66 | HB Dickson | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 2-64 | TG Southee | New Zealand Under-19s v India Under-19s | Bert Sutcliffe Oval, Lincoln | 2006/07 |
| 0-63 | RM ter Braak | New Zealand Under-19s v South Africa Under-19s | Sheikh Kamal International Cricket Stadium No 2 Ground, Cox's Bazar | 2015/16 |
| 1-63 | JEC Franklin | New Zealand Under-19s v England Under-19s | Hagley Park No 2, Christchurch | 1998/99 |
| 1-63 | JFA Field | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 4-62 | M Clarke | New Zealand Under-19s v India Under-19s | Mangaung Oval, Bloemfontein | 2023/24 |
| 1-61 | DL Vettori | New Zealand Under-19s v England Under-19s | Riverside Ground, Chester-le-Street | 1996 |
| 1-61 | TF van Woerkom | New Zealand Under-19s v England Under-19s | Endeavour Park, Townsville | 2011/12 |
| 1-61 | R Ravindra | New Zealand Under-19s v South Africa Under-19s | Sheikh Kamal International Cricket Stadium No 2 Ground, Cox's Bazar | 2015/16 |
| 1-61 | R Ravindra | New Zealand Under-19s v South Africa Under-19s | Hagley Oval, Christchurch | 2017/18 |
| 3-61 | MJ Fisher | New Zealand Under-19s v West Indies Under-19s | Bay Oval, Mount Maunganui | 2017/18 |
| 0-60 | RA Smith | New Zealand Under-19s v Australia Under-19s | Lancaster Park, Christchurch | 1992/93 |
| 0-60 | GR Loveridge | New Zealand Under-19s v Pakistan Under-19s | Molyneux Park, Alexandra | 1994/95 |
| 0-60 | A Ashok | New Zealand Under-19s v West Indies Under-19s | Willowmoore Park Main Oval, Benoni | 2019/20 |
| 1-60 | RA Mariu | New Zealand Under-19s v Australia Under-19s | Peter Burge Oval, Brisbane | 2019 |
| 1-60 | KDC Clarke | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 1-59 | TR Anderson | New Zealand Under-19s v England Under-19s | New Wanderers Stadium, Johannesburg | 1997/98 |
| 2-59 | AJZ Somani | New Zealand Young Cricketers v Australia Under-19s | Lancaster Park, Christchurch | 1986/87 |
| 2-59 | MJ Fisher | New Zealand Under-19s v South Africa Under-19s | Hagley Oval, Christchurch | 2017/18 |