| 332 | (200*,132) | MJ North | Australia Under-19s v Pakistan Under-19s | Sheikhupura Stadium, Sheikhupura | 1996/97 |
| 304 | (304*) | CJ Peake | Australia Under-19s v India Under-19s | Melbourne Cricket Ground, Melbourne | 1994/95 |
| 250 | (167,83) | HT Dixon | Australia Under-19s v England Under-19s | County Ground, New Road, Worcester | 2023 |
| 201 | (201*) | JK Pyke | Australia Under-19s v India Under-19s | Feroz Shah Kotla, Delhi | 1984/85 |
| 196 | (196) | MJ Slater | Australia Under-19s v New Zealand Young Cricketers | University Oval, Adelaide | 1988/89 |
| 194 | (13,181*) | DR Martyn | Australia Young Cricketers v England Young Cricketers | County Ground, Chelmsford | 1991 |
| 187 | (187) | SR Waugh | Australia Under-19s v Sri Lanka Under-19s | Melbourne Cricket Ground, Melbourne | 1983/84 |
| 186 | (65,121) | AJ de Winter | Australia Under-19s v New Zealand Young Cricketers | Brisbane Cricket Ground, Woolloongabba, Brisbane | 1985/86 |
| 182 | (182) | JL Ferguson | Australia Under-19s v New Zealand Young Cricketers | Cornwall Park, Auckland | 1986/87 |
| 179 | (179) | DR Martyn | Australia Young Cricketers v England Young Cricketers | Grace Road, Leicester | 1991 |
| 179 | (103,76) | JR Doran | Australia Under-19s v England Under-19s | Emirates Durham International Cricket Ground, Chester-le-Street | 2015 |
| 172 | (158*,14) | JER Gallian | Australia Young Cricketers v England Young Cricketers | North Sydney Oval, Sydney | 1989/90 |
| 169 | (148,21) | MG Bevan | Australia Young Cricketers v West Indies Under-19s | Kensington Oval, Bridgetown | 1990 |
| 169 | (163,6) | A Symonds | Australia Under-19s v India Under-19s | Vellyani Agricultural College Ground, Thiruvananthapuram | 1993/94 |
| 169 | (169) | JR Doran | Australia Under-19s v England Under-19s | Western Australia Cricket Association Ground, Perth | 2014/15 |
| 166 | (132,34) | LM Davis | Australia Under-19s v England Under-19s | St Peter's College, Adelaide | 2002/03 |
| 164 | (164,0) | GS Blewett | Australia Young Cricketers v England Young Cricketers | County Ground, Chelmsford | 1991 |
| 163 | (133,30) | JP Maher | Australia Under-19s v New Zealand Under-19s | Trust Bank Park, Hamilton | 1992/93 |
| 162 | (46,116) | GS Trimble | Australia Under-19s v Pakistan Under-19s | Tasmania Cricket Association Ground, Hobart | 1981/82 |
| 162 | (26,136*) | JK Pyke | Australia Under-19s v India Under-19s | Moin-ul-Haq Stadium, Patna | 1984/85 |
| 162 | (30,132) | ML Love | Australia Under-19s v New Zealand Under-19s | Trust Bank Park, Hamilton | 1992/93 |
| 162 | (97,65) | MJ Bright | Australia Under-19s v England Under-19s | St Peter's College, Adelaide | 2002/03 |
| 160 | (160) | SD Heazlett | Australia Under-19s v England Under-19s | Western Australia Cricket Association Ground, Perth | 2014/15 |
| 156 | (51,105) | HT Dixon | Australia Under-19s v England Under-19s | County Ground, Northampton | 2023 |
| 152 | (25,127) | MJ Bright | Australia Under-19s v England Under-19s | Jubilee Park, Frankston, Melbourne | 2002/03 |
| 151 | (41,110) | DR Reynolds | Australia Under-19s v India Under-19s | Adelaide Oval, Adelaide | 1986/87 |
| 151 | (93,58) | A Symonds | Australia Under-19s v India Under-19s | Wankhede Stadium, Bombay | 1993/94 |
| 150 | (134,16) | JC Young | Australia Young Cricketers v England Young Cricketers | Kardinia Park, Geelong | 1989/90 |
| 146 | (133,13) | ND Maxwell | Australia Under-19s v New Zealand Young Cricketers | Brisbane Cricket Ground, Woolloongabba, Brisbane | 1985/86 |
| 146 | (37,109*) | CP Jewell | Australia Under-19s v England Under-19s | Emirates Durham International Cricket Ground, Chester-le-Street | 2015 |
