| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 19-Mar-2023 |  Taj Annan | Queensland Reds | Australia | 16-Aug-2003 | 19(215) |
| 31-Mar-2023 | Noah Hotham | Crusaders | New Zealand | 23-May-2003 | 19(312) |
| 25-Feb-2023 | Tom Lynagh | Queensland Reds | Australia | 14-Apr-2003 | 19(317) |
| 11-Mar-2023 | Macca Springer | Crusaders | New Zealand | 29-Mar-2003 | 19(347) |
| 25-Feb-2023 | Peter Lakai | Hurricanes | New Zealand | 04-Mar-2003 | 19(358) |
| 10-Jun-2023 | Motikai Murray | Fijian Drua | Fiji | 30-May-2003 | 20(11) |
| 02-Apr-2023 | Harry Godfrey | Hurricanes | New Zealand | 03-Jan-2003 | 20(89) |
| 19-Mar-2023 | Fabian Holland | Highlanders | New Zealand | 09-Oct-2002 | 20(161) |
| 25-Feb-2023 | Lopeti Faifua | Queensland Reds | Australia | 22-Jan-2002 | 21(34) |
| 20-May-2023 | Lukas Ripley | Melbourne Rebels | Australia | 15-Apr-2002 | 21(35) |
| 25-Mar-2023 | Jake Te Hiwi | Highlanders | New Zealand | 02-Feb-2002 | 21(51) |
| 12-May-2023 | Mac Grealy | Queensland Reds | Australia | 06-Mar-2002 | 21(67) |
| 20-May-2023 | Tom Hooper | Brumbies | Australia | 01-Jan-2002 | 21(139) |
| 28-Apr-2023 | Billy Pollard | Brumbies | Australia | 09-Dec-2001 | 21(140) |
| 25-Mar-2023 | Vaiolini Ekuasi | Melbourne Rebels | New Zealand | 11-Oct-2001 | 21(165) |
| 04-Mar-2023 | Manu Paea | Moana Pasifika | New Zealand | 17-Sep-2001 | 21(168) |
| 04-Mar-2023 | Langi Gleeson | New South Wales | Australia | 21-Jul-2001 | 21(226) |
| 26-Mar-2023 | Jacob Ratumaitavuki-Kneepkens | Blues | New Zealand | 03-Aug-2001 | 21(235) |
| 26-Mar-2023 | Anton Segner | Blues | New Zealand | 24-Jul-2001 | 21(245) |
| 19-May-2023 | Zach Gallagher | Crusaders | New Zealand | 04-Sep-2001 | 21(257) |
| 25-Feb-2023 | Aidan Morgan | Hurricanes | New Zealand | 07-Jun-2001 | 21(263) |
| 24-Feb-2023 | Kitione Salawa | Fijian Drua | Fiji | 23-May-2001 | 21(277) |
| 29-Apr-2023 | Soane Vikena | Blues | New Zealand | 01-Jul-2001 | 21(302) |
| 07-Apr-2023 | Corey Kellow | Crusaders | New Zealand | 25-May-2001 | 21(317) |
| 25-Feb-2023 | Zane Nonggorr | Queensland Reds | Australia | 30-Mar-2001 | 21(332) |
| 12-May-2023 | George Blake | Queensland Reds | Cook Islands | 11-Jun-2001 | 21(335) |
| 18-Mar-2023 | Cortez Ratima | Chiefs | New Zealand | 22-Mar-2001 | 21(361) |
| 25-Feb-2023 | Carter Gordon | Melbourne Rebels | Australia | 29-Jan-2001 | 22(27) |
| 03-Mar-2023 | Sean Withy | Highlanders | New Zealand | 01-Feb-2001 | 22(30) |
| 24-Feb-2023 | Emosi Tuqiri | Fijian Drua | Fiji | 28-Dec-2000 | 22(58) |
| 02-Apr-2023 | Te Kamaka Howden | Hurricanes | New Zealand | 28-Jan-2001 | 22(64) |
| 11-Mar-2023 | Chay Fihaki | Crusaders | New Zealand | 03-Jan-2001 | 22(67) |
| 25-Feb-2023 | Jeremy Williams | Western Force | Australia | 02-Dec-2000 | 22(85) |
| 25-Feb-2023 | Cameron Roigard | Hurricanes | New Zealand | 16-Nov-2000 | 22(101) |
| 04-Mar-2023 | Tom Lambert | New South Wales | Scotland | 20-Nov-2000 | 22(104) |
| 12-May-2023 | Josh Lord | Chiefs | New Zealand | 17-Jan-2001 | 22(115) |
| 24-Feb-2023 | Gus Bell | New South Wales | Australia | 04-Oct-2000 | 22(143) |
| 24-Feb-2023 | Mark Nawaqanitawase | New South Wales | Australia | 11-Sep-2000 | 22(166) |
| 26-Mar-2023 | Zarn Sullivan | Blues | New Zealand | 07-Oct-2000 | 22(170) |
| 24-Feb-2023 | Tane Edmed | New South Wales | Australia | 16-Aug-2000 | 22(192) |
| 03-Mar-2023 | Tamaiti Williams | Crusaders | New Zealand | 10-Aug-2000 | 22(205) |
| 25-Feb-2023 | Ollie Callan | Western Force | Australia | 20-Jul-2000 | 22(220) |
| 11-Mar-2023 | Meli Tuni | Fijian Drua | Fiji | 29-Jun-2000 | 22(255) |
| 01-Apr-2023 | Sam Darry | Blues | New Zealand | 18-Jul-2000 | 22(257) |
| 07-Apr-2023 | Phransis Sula-Siaosi | Queensland Reds | New Zealand | 15-Jul-2000 | 22(266) |
| 14-Apr-2023 | Niko Jones | Moana Pasifika | New Zealand | 22-Jul-2000 | 22(266) |
| 06-May-2023 | Taufa Funaki | Blues | New Zealand | 29-Jul-2000 | 22(281) |
| 22-Apr-2023 | James Arscott | Highlanders | New Zealand | 15-Jul-2000 | 22(281) |
| 24-Mar-2023 | Will Harris | New South Wales | Australia | 08-Jun-2000 | 22(289) |
| 18-Mar-2023 | Tyrone Thompson | Chiefs | New Zealand | 28-May-2000 | 22(294) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).