| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 18-Dec-2022 | Keith Earls | Ireland | 02-Oct-1987 | 35(78) |
| 22-Jan-2023 | John Ryan | Ireland | 02-Aug-1988 | 34(173) |
| 01-Apr-2023 | Dave Kilcoyne | Ireland | 14-Dec-1988 | 34(108) |
| 18-Dec-2022 | Conor Murray | Ireland | 20-Apr-1989 | 33(242) |
| 01-Apr-2023 | Peter O'Mahony | Ireland | 17-Sep-1989 | 33(196) |
| 01-Apr-2023 | Niall Scannell | Ireland | 08-Apr-1992 | 30(358) |
| 01-Apr-2023 | Malakai Fekitoa | Tonga | 10-May-1992 | 30(326) |
| 22-Jan-2023 | Tadhg Beirne | Ireland | 01-Aug-1992 | 30(174) |
| 01-Apr-2023 | Jean Kleyn | South Africa | 26-Aug-1993 | 29(218) |
| 14-Jan-2023 | Jack O'Donoghue | Ireland | 08-Jan-1994 | 29(6) |
| 11-Dec-2022 | Rory Scannell | Ireland | 22-Dec-1993 | 28(354) |
| 01-Apr-2023 | Michael Haley | Ireland | 28-Jun-1994 | 28(277) |
| 01-Apr-2023 | RG Snyman | South Africa | 29-Jan-1995 | 28(62) |
| 18-Dec-2022 | Jeremy Loughman | Ireland | 22-Jul-1995 | 27(149) |
| 22-Jan-2023 | Joey Carbery | Ireland | 01-Nov-1995 | 27(82) |
| 01-Apr-2023 | Antoine Frisch | France | 01-Jun-1996 | 26(304) |
| 01-Apr-2023 | Shane Daly | Ireland | 19-Dec-1996 | 26(103) |
| 01-Apr-2023 | Calvin Nash | Ireland | 08-Aug-1997 | 25(236) |
| 01-Apr-2023 | Roman Salanoa | United States | 28-Oct-1997 | 25(155) |
| 01-Apr-2023 | Gavin Coombes | Ireland | 11-Dec-1997 | 25(111) |
| 01-Apr-2023 | John Hodnett | England | 10-Jan-1999 | 24(81) |
| 01-Apr-2023 | Craig Casey | Ireland | 19-Apr-1999 | 23(347) |
| 01-Apr-2023 | Jack Crowley | Ireland | 13-Jan-2000 | 23(78) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).