| 86* | JFA Field (38*) & KDC Clarke (46*) | New Zealand Under-19s v West Indies Under-19s | Willowmoore Park Main Oval, Benoni | 2019/20 |
| 71 | WJ Clark (42) & LMJ Dasent (35*) | New Zealand Under-19s v Australia Under-19s | Peter Burge Oval, Brisbane | 2019 |
| 69 | [unknown] & [unknown] | New Zealand Young Cricketers v India Under-19s | Morrinsville Recreation Ground, Morrinsville | 1987/88 |
| 60* | FF Lellman (116*) & HB Dickson (23*) | New Zealand Under-19s v Bangladesh Under-19s | Bert Sutcliffe Oval, Lincoln | 2019/20 |
| 51 | GJ Morgan (32) & NB Beard (23) | New Zealand Under-19s v England Under-19s | County Ground, Hove | 2008 |
The list shows occurrences of 50 runs or more