# 2023 Rugby World Cup squads

The 2023 Rugby World Cup was held in France from 8 September to 28 October 2023. Twenty teams qualified and each named an initial squad of 33 players, two more than at the previous World Cup. Squads were submitted before the tournament, and replacement players could be added during the tournament on injury grounds.
Note: The age and number of caps listed for each player is as of 8 September 2023, the first day of the tournament.

## Pool A
### New Zealand

New Zealand announced their squad on 7 August 2023.
$^1$ On 10 September 2023, Emoni Narawa was ruled out of the World Cup, after sustaining a back injury. He was replaced in the New Zealand squad by Ethan Blackadder.
Head coach: Ian Foster
| Player | Position | Date of birth (age) | Caps | Franchise/province |
| Dane Coles | Hooker | (1986-12-10)10 December 1986 (aged 36) | 87 | Hurricanes / Wellington |
| Samisoni Taukei'aho | Hooker | (1997-08-08)8 August 1997 (aged 26) | 25 | Chiefs / Waikato |
| Codie Taylor | Hooker | (1991-03-31)31 March 1991 (aged 32) | 79 | Crusaders / Canterbury |
| Ethan de Groot | Prop | (1998-07-22)22 July 1998 (aged 25) | 17 | Highlanders / Southland |
| Nepo Laulala | Prop | (1991-11-06)6 November 1991 (aged 31) | 49 | Blues / Counties Manukau |
| Tyrel Lomax | Prop | (1996-03-16)16 March 1996 (aged 27) | 27 | Hurricanes / Tasman |
| Fletcher Newell | Prop | (2000-03-01)1 March 2000 (aged 23) | 8 | Crusaders / Canterbury |
| Ofa Tu'ungafasi | Prop | (1992-04-19)19 April 1992 (aged 31) | 53 | Blues / Northland |
| Tamaiti Williams | Prop | (2000-08-10)10 August 2000 (aged 23) | 3 | Crusaders / Canterbury |
| Scott Barrett | Lock | (1993-11-20)20 November 1993 (aged 29) | 62 | Crusaders / Taranaki |
| Brodie Retallick | Lock | (1991-05-31)31 May 1991 (aged 32) | 103 | Chiefs / Hawke's Bay |
| Tupou Vaa'i | Lock | (2000-01-27)27 January 2000 (aged 23) | 22 | Chiefs / Taranaki |
| Sam Whitelock | Lock | (1988-10-12)12 October 1988 (aged 34) | 146 | Crusaders / Canterbury |
| Ethan Blackadder $^1$ | Loose forward | (1995-03-22)22 March 1995 (aged 28) | 9 | Crusaders / Tasman |
| Sam Cane (c) | Loose forward | (1992-01-13)13 January 1992 (aged 31) | 90 | Chiefs / Bay of Plenty |
| Shannon Frizell | Loose forward | (1994-02-11)11 February 1994 (aged 29) | 28 | Highlanders / Tasman |
| Luke Jacobson | Loose forward | (1997-04-20)20 April 1997 (aged 26) | 15 | Chiefs / Waikato |
| Dalton Papalii | Loose forward | (1997-10-11)11 October 1997 (aged 25) | 26 | Blues / Counties Manukau |
| Ardie Savea | Loose forward | (1993-10-14)14 October 1993 (aged 29) | 75 | Hurricanes / Wellington |
| Finlay Christie | Scrum-half | (1995-09-19)19 September 1995 (aged 27) | 17 | Blues / Tasman |
| Cam Roigard | Scrum-half | (2000-11-16)16 November 2000 (aged 22) | 2 | Hurricanes / Counties Manukau |
| Aaron Smith | Scrum-half | (1988-11-21)21 November 1988 (aged 34) | 119 | Highlanders / Manawatu |
| Beauden Barrett | Fly-half | (1991-05-27)27 May 1991 (aged 32) | 116 | Blues / Taranaki |
| Damian McKenzie | Fly-half | (1995-04-20)20 April 1995 (aged 28) | 42 | Chiefs / Waikato |
| Richie Mo'unga | Fly-half | (1994-05-25)25 May 1994 (aged 29) | 49 | Crusaders / Canterbury |
| Jordie Barrett | Centre | (1997-02-17)17 February 1997 (aged 26) | 52 | Hurricanes / Taranaki |
| David Havili | Centre | (1994-12-23)23 December 1994 (aged 28) | 25 | Crusaders / Tasman |
| Rieko Ioane | Centre | (1997-03-18)18 March 1997 (aged 26) | 63 | Blues / Auckland |
| Anton Lienert-Brown | Centre | (1995-04-15)15 April 1995 (aged 28) | 63 | Chiefs / Waikato |
| Caleb Clarke | Wing | (1999-03-29)29 March 1999 (aged 24) | 18 | Blues / Auckland |
| Leicester Fainga'anuku | Wing | (1999-10-11)11 October 1999 (aged 23) | 3 | Crusaders / Tasman |
| Emoni Narawa $^1$ | Wing | (1999-07-13)13 July 1999 (aged 24) | 1 | Chiefs / Bay of Plenty |
| Mark Tele'a | Wing | (1996-12-06)6 December 1996 (aged 26) | 5 | Blues / North Harbour |
| Will Jordan | Fullback | (1998-02-24)24 February 1998 (aged 25) | 25 | Crusaders / Tasman |

### France

France announced their squad on 21 August 2023.
$^1$ On 1 September 2023, Paul Willemse was ruled out of the World Cup, after sustaining a thigh injury. He was replaced in the France squad by Bastien Chalureau
Head coach: Fabien Galthié
| Player | Position | Date of birth (age) | Caps | Club/province |
| Pierre Bourgarit | Hooker | (1997-09-12)12 September 1997 (aged 25) | 10 | La Rochelle |
| Julien Marchand | Hooker | (1995-05-10)10 May 1995 (aged 28) | 31 | Toulouse |
| Peato Mauvaka | Hooker | (1997-01-10)10 January 1997 (aged 26) | 24 | Toulouse |
| Dorian Aldegheri | Prop | (1993-08-04)4 August 1993 (aged 30) | 11 | Toulouse |
| Uini Atonio | Prop | (1990-03-26)26 March 1990 (aged 33) | 53 | La Rochelle |
| Cyril Baille | Prop | (1993-09-15)15 September 1993 (aged 29) | 44 | Toulouse |
| Sipili Falatea | Prop | (1997-06-06)6 June 1997 (aged 26) | 13 | Bordeaux-Bègles |
| Jean-Baptiste Gros | Prop | (1999-05-29)29 May 1999 (aged 24) | 25 | Toulon |
| Reda Wardi | Prop | (1995-08-02)2 August 1995 (aged 28) | 9 | La Rochelle |
| Bastien Chalureau $^1$ | Lock | (1992-02-13)13 February 1992 (aged 31) | 6 | Montpellier |
| Thibaud Flament | Lock | (1997-04-29)29 April 1997 (aged 26) | 19 | Toulouse |
| Romain Taofifenua | Lock | (1990-09-14)14 September 1990 (aged 32) | 44 | Lyon |
| Paul Willemse $^1$ | Lock | (1992-11-13)13 November 1992 (aged 30) | 31 | Montpellier |
| Cameron Woki | Lock | (1998-11-07)7 November 1998 (aged 24) | 22 | Racing 92 |
| Grégory Alldritt | Back row | (1997-03-23)23 March 1997 (aged 26) | 42 | La Rochelle |
| Paul Boudehent | Back row | (1999-11-21)21 November 1999 (aged 23) | 3 | La Rochelle |
| François Cros | Back row | (1994-03-25)25 March 1994 (aged 29) | 22 | Toulouse |
| Anthony Jelonch | Back row | (1996-07-28)28 July 1996 (aged 27) | 25 | Toulouse |
| Sekou Macalou | Back row | (1995-04-20)20 April 1995 (aged 28) | 18 | Stade Français |
| Charles Ollivon | Back row | (1993-05-11)11 May 1993 (aged 30) | 35 | Toulon |
| Baptiste Couilloud | Scrum-half | (1997-08-22)22 August 1997 (aged 26) | 13 | Lyon |
| Antoine Dupont (c) | Scrum-half | (1996-11-15)15 November 1996 (aged 26) | 49 | Toulouse |
| Maxime Lucu | Scrum-half | (1993-01-12)12 January 1993 (aged 30) | 15 | Bordeaux-Bègles |
| Antoine Hastoy | Fly-half | (1997-06-04)4 June 1997 (aged 26) | 4 | La Rochelle |
| Matthieu Jalibert | Fly-half | (1998-11-06)6 November 1998 (aged 24) | 26 | Bordeaux-Bègles |
| Jonathan Danty | Centre | (1992-10-07)7 October 1992 (aged 30) | 23 | La Rochelle |
| Gaël Fickou | Centre | (1994-03-26)26 March 1994 (aged 29) | 81 | Racing 92 |
| Yoram Moefana | Centre | (2000-07-18)18 July 2000 (aged 23) | 18 | Bordeaux-Bègles |
| Arthur Vincent | Centre | (1999-09-30)30 September 1999 (aged 23) | 16 | Montpellier |
| Louis Bielle-Biarrey | Wing | (2003-06-16)16 June 2003 (aged 20) | 3 | Bordeaux-Bègles |
| Damian Penaud | Wing | (1996-09-25)25 September 1996 (aged 26) | 44 | Bordeaux-Bègles |
| Gabin Villière | Wing | (1995-12-13)13 December 1995 (aged 27) | 14 | Toulon |
| Melvyn Jaminet | Fullback | (1999-06-30)30 June 1999 (aged 24) | 15 | Toulouse |
| Thomas Ramos | Fullback | (1995-07-23)23 July 1995 (aged 28) | 27 | Toulouse |

### Italy

Italy announced their squad on 22 August 2023.
$^1$ On 24 September 2023, Luca Bigi was ruled out of the World Cup, after sustaining a leg injury. He was replaced in the Italy squad by Marco Manfredi.
Head coach: Kieran Crowley
| Player | Position | Date of birth (age) | Caps | Club/province |
| Luca Bigi $^1$ | Hooker | (1991-04-19)19 April 1991 (aged 32) | 48 | Zebre Parma |
| Hame Faiva | Hooker | (1994-05-09)9 May 1994 (aged 29) | 7 | Unattached |
| Marco Manfredi $^1$ | Hooker | (1997-09-18)18 September 1997 (aged 25) | 2 | Zebre Parma |
| Giacomo Nicotera | Hooker | (1996-07-15)15 July 1996 (aged 27) | 15 | Benetton |
| Pietro Ceccarelli | Prop | (1992-02-16)16 February 1992 (aged 31) | 29 | Perpignan |
| Simone Ferrari | Prop | (1994-03-28)28 March 1994 (aged 29) | 47 | Benetton |
| Danilo Fischetti | Prop | (1998-01-26)26 January 1998 (aged 25) | 33 | Zebre Parma |
| Ivan Nemer | Prop | (1998-04-22)22 April 1998 (aged 25) | 13 | Benetton |
| Marco Riccioni | Prop | (1997-10-19)19 October 1997 (aged 25) | 22 | Saracens |
| Federico Zani | Prop | (1989-04-09)9 April 1989 (aged 34) | 23 | Benetton |
| Niccolò Cannone | Lock | (1998-05-17)17 May 1998 (aged 25) | 33 | Benetton |
| Dino Lamb | Lock | (1998-04-18)18 April 1998 (aged 25) | 3 | Harlequins |
| Federico Ruzza | Lock | (1994-08-04)4 August 1994 (aged 29) | 45 | Benetton |
| Dave Sisi | Lock | (1993-02-05)5 February 1993 (aged 30) | 28 | Zebre Parma |
| Lorenzo Cannone | Back row | (2001-01-28)28 January 2001 (aged 22) | 12 | Benetton |
| Toa Halafihi | Back row | (1993-11-27)27 November 1993 (aged 29) | 11 | Benetton |
| Michele Lamaro (c) | Back row | (1998-06-03)3 June 1998 (aged 25) | 29 | Benetton |
| Sebastian Negri | Back row | (1994-06-30)30 June 1994 (aged 29) | 48 | Benetton |
| Giovanni Pettinelli | Back row | (1996-03-13)13 March 1996 (aged 27) | 14 | Benetton |
| Manuel Zuliani | Back row | (2000-04-26)26 April 2000 (aged 23) | 13 | Benetton |
| Alessandro Fusco | Scrum-half | (1999-10-28)28 October 1999 (aged 23) | 15 | Zebre Parma |
| Alessandro Garbisi | Scrum-half | (2002-04-11)11 April 2002 (aged 21) | 6 | Benetton |
| Martin Page-Relo | Scrum-half | (1999-01-06)6 January 1999 (aged 24) | 2 | Lyon |
| Stephen Varney | Scrum-half | (2001-05-16)16 May 2001 (aged 22) | 21 | Gloucester |
| Tommaso Allan | Fly-half | (1993-04-26)26 April 1993 (aged 30) | 75 | Perpignan |
| Giacomo Da Re | Fly-half | (1999-03-29)29 March 1999 (aged 24) | 2 | Benetton |
| Paolo Garbisi | Fly-half | (2000-04-26)26 April 2000 (aged 23) | 27 | Montpellier |
| Ignacio Brex | Centre | (1992-05-26)26 May 1992 (aged 31) | 26 | Benetton |
| Luca Morisi | Centre | (1991-02-22)22 February 1991 (aged 32) | 47 | Unattached |
| Pierre Bruno | Wing | (1996-06-28)28 June 1996 (aged 27) | 13 | Zebre Parma |
| Monty Ioane | Wing | (1994-10-30)30 October 1994 (aged 28) | 21 | Lyon |
| Paolo Odogwu | Wing | (1997-06-18)18 June 1997 (aged 26) | 3 | Benetton |
| Ange Capuozzo | Fullback | (1999-04-30)30 April 1999 (aged 24) | 12 | Toulouse |
| Lorenzo Pani | Fullback | (2002-07-04)4 July 2002 (aged 21) | 3 | Zebre Parma |

### Uruguay

Uruguay announced their final squad on 21 August 2023.
Head coach: Esteban Meneses
| Player | Position | Date of birth (age) | Caps | Club/province |
| Facundo Gattas | Hooker | (1995-07-02)2 July 1995 (aged 28) | 39 | Old Glory DC |
| Germán Kessler | Hooker | (1994-07-01)1 July 1994 (aged 29) | 62 | Provence |
| Guillermo Pujadas | Hooker | (1997-02-06)6 February 1997 (aged 26) | 28 | Peñarol |
| Diego Arbelo | Prop | (1994-08-19)19 August 1994 (aged 29) | 18 | Peñarol |
| Matías Benítez | Prop | (1988-05-16)16 May 1988 (aged 35) | 45 | Peñarol |
| Ignacio Péculo | Prop | (1999-02-22)22 February 1999 (aged 24) | 13 | Peñarol |
| Reinaldo Piussi | Prop | (1999-05-18)18 May 1999 (aged 24) | 4 | Peñarol |
| Mateo Sanguinetti | Prop | (1992-07-26)26 July 1992 (aged 31) | 80 | Peñarol |
| Felipe Aliaga | Lock | (1999-09-14)14 September 1999 (aged 23) | 5 | Peñarol |
| Ignacio Dotti | Lock | (1994-08-18)18 August 1994 (aged 29) | 59 | Peñarol |
| Manuel Leindekar | Lock | (1997-04-23)23 April 1997 (aged 26) | 28 | Bayonne |
| Juan Manuel Rodríguez | Lock | (1996-12-15)15 December 1996 (aged 26) | 3 | Peñarol |
| Manuel Ardao | Back row | (1998-09-09)9 September 1998 (aged 24) | 23 | Peñarol |
| Lucas Bianchi | Back row | (2001-03-26)26 March 2001 (aged 22) | 10 | Peñarol |
| Santiago Civetta | Back row | (1998-02-28)28 February 1998 (aged 25) | 26 | Peñarol |
| Carlos Deus | Back row | (2001-07-05)5 July 2001 (aged 22) | 3 | Peñarol |
| Manuel Diana | Back row | (1996-03-07)7 March 1996 (aged 27) | 38 | Peñarol |
| Eric Dosantos | Back row | (1995-02-25)25 February 1995 (aged 28) | 16 | Peñarol |
| Santiago Álvarez | Scrum-half | (2001-12-24)24 December 2001 (aged 21) | 7 | Peñarol |
| Santiago Arata | Scrum-half | (1996-09-02)2 September 1996 (aged 27) | 45 | Castres |
| Agustín Ormaechea | Scrum-half | (1991-03-08)8 March 1991 (aged 32) | 56 | Nice |
| Felipe Berchesi | Fly-half | (1991-04-12)12 April 1991 (aged 32) | 45 | Dax |
| Felipe Etcheverry | Fly-half | (1996-06-23)23 June 1996 (aged 27) | 20 | Peñarol |
| Felipe Arcos Pérez | Centre | (2001-05-17)17 May 2001 (aged 22) | 9 | Old Boys |
| Tomás Inciarte | Centre | (1996-10-22)22 October 1996 (aged 26) | 32 | Peñarol |
| Andrés Vilaseca (c) | Centre | (1991-05-08)8 May 1991 (aged 32) | 75 | Vannes |
| Juan Manuel Alonso | Wing | (2001-09-19)19 September 2001 (aged 21) | 8 | Peñarol |
| Bautista Basso | Wing | (2001-01-18)18 January 2001 (aged 22) | 4 | Old Boys |
| Ignacio Facciolo | Wing | (1998-12-28)28 December 1998 (aged 24) | 1 | Círculo de Tenis |
| Nicolás Freitas | Wing | (1993-07-03)3 July 1993 (aged 30) | 50 | Vannes |
| Gastón Mieres | Wing | (1989-10-05)5 October 1989 (aged 33) | 82 | Peñarol |
| Baltazar Amaya | Fullback | (1999-05-26)26 May 1999 (aged 24) | 8 | Old Boys |
| Rodrigo Silva | Fullback | (1992-11-02)2 November 1992 (aged 30) | 77 | Peñarol |

### Namibia

Namibia announced their squad on 28 August 2023.
$^1$ On 6 September 2023, Chad Plato was ruled out of the World Cup, after sustaining a thigh injury. He was replaced in the Namibia squad by TC Kisting.
$^2$ On 17 September 2023, Le Roux Malan was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the Namibia squad by Lloyd Jacobs.
Head coach: Allister Coetzee
| Player | Position | Date of birth (age) | Caps | Club/province |
| Obert Nortjé | Hooker | (1997-04-17)17 April 1997 (aged 26) | 21 | Wanderers |
| Torsten van Jaarsveld | Hooker | (1987-06-30)30 June 1987 (aged 36) | 19 | Bayonne |
| Louis van der Westhuizen | Hooker | (1995-02-25)25 February 1995 (aged 28) | 29 | Cheetahs |
| Jason Benade | Prop | (1995-04-16)16 April 1995 (aged 28) | 13 | University of Namibia |
| Aranos Coetzee | Prop | (1988-03-14)14 March 1988 (aged 35) | 29 | Cheetahs |
| Des Sethie | Prop | (1992-12-09)9 December 1992 (aged 30) | 17 | University of Namibia |
| Haitembu Shikufa | Prop | (2000-11-28)28 November 2000 (aged 22) | 1 | Leopards |
| Casper Viviers | Prop | (1988-06-01)1 June 1988 (aged 35) | 41 | La Baule |
| Tiaan de Klerk | Lock | (2001-06-12)12 June 2001 (aged 22) | 1 | Mogliano |
| Adriaan Ludick | Lock | (1998-07-22)22 July 1998 (aged 25) | 9 | Limoges |
| Mahepisa Tjeriko | Lock | (1993-05-06)6 May 1993 (aged 30) | 11 | University of Namibia |
| Tjiuee Uanivi | Lock | (1990-12-31)31 December 1990 (aged 32) | 34 | Montauban |
| P. J. van Lill | Lock | (1983-12-04)4 December 1983 (aged 39) | 60 | Capbreton Hossegor |
| Adriaan Booysen | Back row | (1996-05-17)17 May 1996 (aged 27) | 24 | Dallas Jackals |
| Wian Conradie | Back row | (1994-10-14)14 October 1994 (aged 28) | 28 | New England Free Jacks |
| Prince ǃGaoseb | Back row | (1998-07-07)7 July 1998 (aged 25) | 12 | Tel Aviv Heat |
| Richard Hardwick | Back row | (1994-05-31)31 May 1994 (aged 29) | 3 | Melbourne Rebels |
| Max Katjijeko | Back row | (1995-04-08)8 April 1995 (aged 28) | 21 | Tel Aviv Heat |
| Johan Retief | Back row | (1995-10-10)10 October 1995 (aged 27) | 21 | Griquas |
| Oela Blaauw | Scrum-half | (2001-10-17)17 October 2001 (aged 21) | 0 | University of Johannesburg |
| TC Kisting $^1$ | Scrum-half | (1994-01-13)13 January 1994 (aged 29) | 18 | Dinamo București |
| Damian Stevens | Scrum-half | (1995-06-02)2 June 1995 (aged 28) | 36 | New Orleans Gold |
| Jacques Theron | Scrum-half | (1999-03-22)22 March 1999 (aged 24) | 3 | Wanderers |
| Cliven Loubser | Fly-half | (1997-02-24)24 February 1997 (aged 26) | 24 | Utah Warriors |
| Tiaan Swanepoel | Fly-half | (1996-06-04)4 June 1996 (aged 27) | 2 | Valence-d'Agen |
| André van den Berg | Fly-half | (1999-11-28)28 November 1999 (aged 23) | 4 | Wanderers |
| Danco Burger | Centre | (1998-07-28)28 July 1998 (aged 25) | 5 | Wanderers |
| Johan Deysel (c) | Centre | (1991-09-26)26 September 1991 (aged 31) | 35 | Colomiers |
| Alcino Izaacs | Centre | (1993-11-16)16 November 1993 (aged 29) | 3 | Boland Cavaliers |
| Lloyd Jacobs $^2$ | Centre | (1993-02-17)17 February 1993 (aged 30) | 0 | Kudus |
| Le Roux Malan $^2$ | Centre | (1999-03-31)31 March 1999 (aged 24) | 2 | New England Free Jacks |
| JC Greyling | Wing | (1991-06-21)21 June 1991 (aged 32) | 42 | Wanderers |
| Gerswin Mouton | Wing | (1999-12-16)16 December 1999 (aged 23) | 3 | Wits University |
| Chad Plato $^1$ | Fullback | (1998-04-21)21 April 1998 (aged 25) | 4 | Kudus |
| Divan Rossouw | Fullback | (1996-03-12)12 March 1996 (aged 27) | 6 | Krasny Yar |

## Pool B
### South Africa

South Africa announced their squad on 8 August 2023.
$^1$ On 14 September 2023, Malcolm Marx was ruled out of the World Cup, after sustaining a knee injury. He was replaced in the South Africa squad by Handré Pollard.
$^2$ On 2 October 2023, Makazole Mapimpi was ruled out of the World Cup, after sustaining a fractured eye socket. He was replaced in the South Africa squad by Lukhanyo Am.
Head coach: Jacques Nienaber
| Player | Position | Date of birth (age) | Caps | Club/province |
| Malcolm Marx $^1$ | Hooker | (1994-07-13)13 July 1994 (aged 29) | 63 | Kubota Spears |
| Bongi Mbonambi | Hooker | (1991-01-07)7 January 1991 (aged 32) | 62 | Sharks |
| Steven Kitshoff | Prop | (1992-02-10)10 February 1992 (aged 31) | 76 | Ulster |
| Vincent Koch | Prop | (1990-03-13)13 March 1990 (aged 33) | 46 | Sharks |
| Frans Malherbe | Prop | (1991-03-14)14 March 1991 (aged 32) | 63 | Stormers |
| Ox Nché | Prop | (1995-07-23)23 July 1995 (aged 28) | 21 | Sharks |
| Trevor Nyakane | Prop | (1989-05-04)4 May 1989 (aged 34) | 62 | Racing 92 |
| Eben Etzebeth | Lock | (1991-10-29)29 October 1991 (aged 31) | 113 | Sharks |
| Jean Kleyn | Lock | (1993-08-26)26 August 1993 (aged 30) | 4 | Munster |
| Franco Mostert | Lock | (1990-11-27)27 November 1990 (aged 32) | 67 | Mie Honda Heat |
| Marvin Orie | Lock | (1993-02-15)15 February 1993 (aged 30) | 14 | Perpignan |
| RG Snyman | Lock | (1995-01-29)29 January 1995 (aged 28) | 28 | Munster |
| Pieter-Steph du Toit | Loose forward | (1992-08-20)20 August 1992 (aged 31) | 71 | Toyota Verblitz |
| Deon Fourie | Loose forward | (1986-09-25)25 September 1986 (aged 36) | 7 | Stormers |
| Siya Kolisi (c) | Loose forward | (1991-06-16)16 June 1991 (aged 32) | 77 | Racing 92 |
| Kwagga Smith | Loose forward | (1993-06-11)11 June 1993 (aged 30) | 34 | Shizuoka Blue Revs |
| Marco van Staden | Loose forward | (1995-08-25)25 August 1995 (aged 28) | 14 | Bulls |
| Duane Vermeulen | Loose forward | (1986-07-03)3 July 1986 (aged 37) | 70 | Unattached |
| Jasper Wiese | Loose forward | (1995-10-21)21 October 1995 (aged 27) | 23 | Leicester Tigers |
| Faf de Klerk | Scrum-half | (1991-10-19)19 October 1991 (aged 31) | 49 | Yokohama Canon Eagles |
| Jaden Hendrikse | Scrum-half | (2000-03-23)23 March 2000 (aged 23) | 13 | Sharks |
| Cobus Reinach | Scrum-half | (1990-02-07)7 February 1990 (aged 33) | 26 | Montpellier |
| Grant Williams | Scrum-half | (1996-07-22)22 July 1996 (aged 27) | 5 | Sharks |
| Manie Libbok | Fly-half | (1997-07-15)15 July 1997 (aged 26) | 9 | Stormers |
| Handré Pollard $^1$ | Fly-half | (1994-03-11)11 March 1994 (aged 29) | 65 | Leicester Tigers |
| Damian Willemse | Fly-half | (1998-05-07)7 May 1998 (aged 25) | 33 | Stormers |
| Lukhanyo Am $^2$ | Centre | (1993-11-28)28 November 1993 (aged 29) | 35 | Sharks |
| Damian de Allende | Centre | (1991-11-25)25 November 1991 (aged 31) | 73 | Saitama Wild Knights |
| André Esterhuizen | Centre | (1994-03-30)30 March 1994 (aged 29) | 14 | Harlequins |
| Jesse Kriel | Centre | (1994-02-15)15 February 1994 (aged 29) | 62 | Yokohama Canon Eagles |
| Kurt-Lee Arendse | Wing | (1996-06-17)17 June 1996 (aged 27) | 10 | Bulls |
| Cheslin Kolbe | Wing | (1993-10-28)28 October 1993 (aged 29) | 26 | Tokyo Sungoliath |
| Makazole Mapimpi $^2$ | Wing | (1990-07-26)26 July 1990 (aged 33) | 39 | Sharks |
| Canan Moodie | Wing | (2002-11-05)5 November 2002 (aged 20) | 8 | Bulls |
| Willie le Roux | Fullback | (1989-08-18)18 August 1989 (aged 34) | 87 | Bulls |

### Ireland

Ireland announced their final squad on 27 August 2023.
Head coach: Andy Farrell
| Player | Position | Date of birth (age) | Caps | Club/province |
| Rob Herring | Hooker | (1990-04-28)28 April 1990 (aged 33) | 37 | Ulster |
| Rónan Kelleher | Hooker | (1998-01-24)24 January 1998 (aged 25) | 21 | Leinster |
| Dan Sheehan | Hooker | (1998-09-17)17 September 1998 (aged 24) | 18 | Leinster |
| Finlay Bealham | Prop | (1991-10-09)9 October 1991 (aged 31) | 32 | Connacht |
| Tadhg Furlong | Prop | (1992-11-14)14 November 1992 (aged 30) | 67 | Leinster |
| Dave Kilcoyne | Prop | (1988-12-14)14 December 1988 (aged 34) | 52 | Munster |
| Jeremy Loughman | Prop | (1995-07-22)22 July 1995 (aged 28) | 3 | Munster |
| Tom O'Toole | Prop | (1998-09-23)23 September 1998 (aged 24) | 11 | Ulster |
| Andrew Porter | Prop | (1996-01-16)16 January 1996 (aged 27) | 54 | Leinster |
| Ryan Baird | Lock | (1999-07-26)26 July 1999 (aged 24) | 13 | Leinster |
| Tadhg Beirne | Lock | (1992-01-08)8 January 1992 (aged 31) | 41 | Munster |
| Iain Henderson | Lock | (1992-02-21)21 February 1992 (aged 31) | 74 | Ulster |
| Joe McCarthy | Lock | (2001-03-26)26 March 2001 (aged 22) | 3 | Leinster |
| James Ryan | Lock | (1996-07-24)24 July 1996 (aged 27) | 55 | Leinster |
| Jack Conan | Back row | (1992-07-29)29 July 1992 (aged 31) | 39 | Leinster |
| Caelan Doris | Back row | (1998-04-02)2 April 1998 (aged 25) | 31 | Leinster |
| Peter O'Mahony | Back row | (1989-09-17)17 September 1989 (aged 33) | 96 | Munster |
| Josh van der Flier | Back row | (1993-04-25)25 April 1993 (aged 30) | 52 | Leinster |
| Craig Casey | Scrum-half | (1999-04-19)19 April 1999 (aged 24) | 12 | Munster |
| Jamison Gibson-Park | Scrum-half | (1992-02-23)23 February 1992 (aged 31) | 26 | Leinster |
| Conor Murray | Scrum-half | (1989-04-20)20 April 1989 (aged 34) | 106 | Munster |
| Ross Byrne | Fly-half | (1995-04-08)8 April 1995 (aged 28) | 21 | Leinster |
| Jack Crowley | Fly-half | (2000-01-13)13 January 2000 (aged 23) | 6 | Munster |
| Johnny Sexton (c) | Fly-half | (1985-07-11)11 July 1985 (aged 38) | 113 | Unattached |
| Bundee Aki | Centre | (1990-04-07)7 April 1990 (aged 33) | 47 | Connacht |
| Robbie Henshaw | Centre | (1993-06-12)12 June 1993 (aged 30) | 64 | Leinster |
| Stuart McCloskey | Centre | (1992-08-06)6 August 1992 (aged 31) | 13 | Ulster |
| Garry Ringrose | Centre | (1995-01-26)26 January 1995 (aged 28) | 51 | Leinster |
| Keith Earls | Wing | (1987-10-02)2 October 1987 (aged 35) | 100 | Munster |
| Mack Hansen | Wing | (1998-03-27)27 March 1998 (aged 25) | 16 | Connacht |
| James Lowe | Wing | (1992-07-08)8 July 1992 (aged 31) | 21 | Leinster |
| Hugo Keenan | Fullback | (1996-06-18)18 June 1996 (aged 27) | 31 | Leinster |
| Jimmy O'Brien | Fullback | (1996-11-27)27 November 1996 (aged 26) | 6 | Leinster |

### Scotland

Scotland announced their squad on 16 August 2023.
$^1$ On 14 September 2023, Dave Cherry was ruled out of the World Cup, after a concussion injury. He was replaced by Stuart McInally.
$^2$ On 24 September 2023, Stuart McInally was replaced by Johnny Matthews, after a neck injury.
Head coach: Gregor Townsend
| Player | Position | Date of birth (age) | Caps | Club/province |
| Ewan Ashman | Hooker | (2000-04-03)3 April 2000 (aged 23) | 9 | Edinburgh |
| Dave Cherry $^1$ | Hooker | (1991-01-03)3 January 1991 (aged 32) | 10 | Edinburgh |
| Johnny Matthews $^2$ | Hooker | (1993-07-05)5 July 1993 (aged 30) | 0 | Glasgow Warriors |
| Stuart McInally $^{1,}$ $^2$ | Hooker | (1990-08-09)9 August 1990 (aged 33) | 49 | Edinburgh |
| George Turner | Hooker | (1992-10-08)8 October 1992 (aged 30) | 37 | Glasgow Warriors |
| Jamie Bhatti | Prop | (1993-09-08)8 September 1993 (aged 30) | 32 | Glasgow Warriors |
| Zander Fagerson | Prop | (1996-01-19)19 January 1996 (aged 27) | 59 | Glasgow Warriors |
| WP Nel | Prop | (1986-04-30)30 April 1986 (aged 37) | 56 | Edinburgh |
| Pierre Schoeman | Prop | (1994-05-07)7 May 1994 (aged 29) | 23 | Edinburgh |
| Javan Sebastian | Prop | (1994-09-02)2 September 1994 (aged 29) | 6 | Edinburgh |
| Rory Sutherland | Prop | (1992-08-24)24 August 1992 (aged 31) | 25 | Unattached |
| Scott Cummings | Lock | (1996-12-03)3 December 1996 (aged 26) | 29 | Glasgow Warriors |
| Grant Gilchrist | Lock | (1990-08-09)9 August 1990 (aged 33) | 65 | Edinburgh |
| Richie Gray | Lock | (1989-08-24)24 August 1989 (aged 34) | 75 | Glasgow Warriors |
| Sam Skinner | Lock | (1995-01-31)31 January 1995 (aged 28) | 28 | Edinburgh |
| Luke Crosbie | Back row | (1997-04-22)22 April 1997 (aged 26) | 5 | Edinburgh |
| Rory Darge | Back row | (2000-02-23)23 February 2000 (aged 23) | 11 | Glasgow Warriors |
| Jack Dempsey | Back row | (1994-04-12)12 April 1994 (aged 29) | 12 | Glasgow Warriors |
| Matt Fagerson | Back row | (1998-07-16)16 July 1998 (aged 25) | 36 | Glasgow Warriors |
| Jamie Ritchie (c) | Back row | (1996-08-16)16 August 1996 (aged 27) | 43 | Edinburgh |
| Hamish Watson | Back row | (1991-10-15)15 October 1991 (aged 31) | 58 | Edinburgh |
| George Horne | Scrum-half | (1995-05-12)12 May 1995 (aged 28) | 23 | Glasgow Warriors |
| Ali Price | Scrum-half | (1993-05-12)12 May 1993 (aged 30) | 63 | Glasgow Warriors |
| Ben White | Scrum-half | (1998-05-27)27 May 1998 (aged 25) | 17 | Toulon |
| Ben Healy | Fly-half | (1999-06-29)29 June 1999 (aged 24) | 3 | Edinburgh |
| Finn Russell | Fly-half | (1992-09-23)23 September 1992 (aged 30) | 72 | Bath |
| Chris Harris | Centre | (1990-12-28)28 December 1990 (aged 32) | 44 | Gloucester |
| Huw Jones | Centre | (1993-12-17)17 December 1993 (aged 29) | 39 | Glasgow Warriors |
| Cameron Redpath | Centre | (1999-12-23)23 December 1999 (aged 23) | 7 | Bath |
| Sione Tuipulotu | Centre | (1997-02-12)12 February 1997 (aged 26) | 19 | Glasgow Warriors |
| Darcy Graham | Wing | (1997-06-21)21 June 1997 (aged 26) | 35 | Edinburgh |
| Kyle Steyn | Wing | (1994-01-29)29 January 1994 (aged 29) | 13 | Glasgow Warriors |
| Duhan van der Merwe | Wing | (1995-06-04)4 June 1995 (aged 28) | 31 | Edinburgh |
| Blair Kinghorn | Fullback | (1997-01-18)18 January 1997 (aged 26) | 46 | Edinburgh |
| Ollie Smith | Fullback | (2000-08-07)7 August 2000 (aged 23) | 6 | Glasgow Warriors |

### Tonga

Tonga announced their final squad on 21 August 2023.
$^1$ On 18 September 2023, Feao Fotuaika and Otumaka Mausia were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Tonga squad by Siate Tokolahi and Patrick Pellegrini.
$^2$ On 29 September 2023, Siua Maile and Solomone Funaki were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Tonga squad by Sione Anga'aelangi and Penitoa Finau.
Head coach: Toutai Kefu
| Player | Position | Date of birth (age) | Caps | Club/province |
| Sione Anga'aelangi$^2$ | Hooker | (1988-11-07)7 November 1988 (aged 34) | 5 | Stade Niçois |
| Siua Maile$^2$ | Hooker | (1997-02-18)18 February 1997 (aged 26) | 15 | Benetton |
| Sam Moli | Hooker | (1998-12-24)24 December 1998 (aged 24) | 13 | Moana Pasifika |
| Paul Ngauamo | Hooker | (1990-02-19)19 February 1990 (aged 33) | 27 | Castres |
| Joe Apikotoa | Prop | (1996-07-18)18 July 1996 (aged 27) | 3 | Moana Pasifika |
| Siegfried Fisi'ihoi | Prop | (1987-06-08)8 June 1987 (aged 36) | 23 | Pau |
| Feao Fotuaika $^1$ | Prop | (1993-04-23)23 April 1993 (aged 30) | 5 | Lyon |
| Tau Koloamatangi | Prop | (1995-01-03)3 January 1995 (aged 28) | 7 | Moana Pasifika |
| Paula Latu | Prop | (1996-02-14)14 February 1996 (aged 27) | 1 | Southland |
| Ben Tameifuna | Prop | (1991-08-30)30 August 1991 (aged 32) | 29 | Bordeaux |
| Siate Tokolahi $^1$ | Prop | (1992-03-16)16 March 1992 (aged 31) | 3 | Pau |
| Adam Coleman | Lock | (1991-10-07)7 October 1991 (aged 31) | 0 | Bordeaux |
| Leva Fifita | Lock | (1989-07-29)29 July 1989 (aged 34) | 31 | Connacht |
| Sam Lousi | Lock | (1991-07-20)20 July 1991 (aged 32) | 13 | Scarlets |
| Steve Mafi | Lock | (1989-12-09)9 December 1989 (aged 33) | 41 | Oyonnax |
| Semisi Paea | Lock | (1999-04-17)17 April 1999 (aged 24) | 3 | New England Free Jacks |
| Vaea Fifita | Back row | (1992-06-17)17 June 1992 (aged 31) | 9 | Scarlets |
| Penitoa Finau$^2$ | Back row | (1993-12-17)17 December 1993 (aged 29) | 0 | Moana Pasifika |
| Solomone Funaki$^2$ | Back row | (1994-04-25)25 April 1994 (aged 29) | 7 | Moana Pasifika |
| Tanginoa Halaifonua | Back row | (1996-09-20)20 September 1996 (aged 26) | 13 | Stade Français |
| Sione Havili Talitui | Back row | (1998-01-25)25 January 1998 (aged 25) | 9 | Crusaders |
| Sione Vailanu | Back row | (1995-01-27)27 January 1995 (aged 28) | 12 | Glasgow Warriors |
| Manu Paea | Scrum-half | (2001-09-17)17 September 2001 (aged 21) | 9 | Moana Pasifika |
| Augustine Pulu | Scrum-half | (1990-01-04)4 January 1990 (aged 33) | 3 | Hino Red Dolphins |
| Sonatane Takulua (c) | Scrum-half | (1991-01-11)11 January 1991 (aged 32) | 52 | Agen |
| William Havili | Fly-half | (1998-09-09)9 September 1998 (aged 24) | 9 | Moana Pasifika |
| Otumaka Mausia $^1$ | Fly-half | (1997-04-22)22 April 1997 (aged 26) | 11 | Western Sydney Two Blues |
| Patrick Pellegrini $^1$ | Fly-half | (1998-09-28)28 September 1998 (aged 24) | 3 | Coventry |
| Pita Ahki | Centre | (1992-09-24)24 September 1992 (aged 30) | 4 | Toulouse |
| Malakai Fekitoa | Centre | (1992-05-10)10 May 1992 (aged 31) | 8 | Benetton |
| George Moala | Centre | (1990-11-05)5 November 1990 (aged 32) | 5 | Clermont |
| Afusipa Taumoepeau | Centre | (1990-01-26)26 January 1990 (aged 33) | 12 | Perpignan |
| Fine Inisi | Wing | (1998-05-19)19 May 1998 (aged 25) | 7 | Moana Pasifika |
| Solomone Kata | Wing | (1994-12-03)3 December 1994 (aged 28) | 9 | Leicester Tigers |
| Kyren Taumoefolau | Wing | (2003-05-08)8 May 2003 (aged 20) | 5 | Moana Pasifika |
| Anzelo Tuitavuki | Wing | (1998-10-10)10 October 1998 (aged 24) | 7 | Moana Pasifika |
| Charles Piutau | Fullback | (1991-10-31)31 October 1991 (aged 31) | 5 | Shizuoka Blue Revs |

### Romania

Romania announced their squad on 16 August 2023.
$^1$ On 28 August 2023, Mihai Macovei, Mihai Mureșan and Paul Popoaia were replaced by André Gorin, Sioeli Lama and Taliaʻuli Sikuea due to injuries.
$^2$ On 19 September 2023, Romania replaced Gabriel Pop, Taylor Gontineac and Hinckley Vaovasa with Luca Nichitean, Mihai Graure and Alexandru Bucur because of various injuries.
Head coach: Eugen Apjok
| Player | Position | Date of birth (age) | Caps | Club/province |
| Florin Bărdașu | Hooker | (1991-09-23)23 September 1991 (aged 31) | 12 | Steaua București |
| Ovidiu Cojocaru | Hooker | (1996-11-19)19 November 1996 (aged 26) | 32 | Dinamo București |
| Robert Irimescu | Hooker | (1996-03-01)1 March 1996 (aged 27) | 4 | Știința Baia Mare |
| Costel Burțilă | Prop | (1991-07-14)14 July 1991 (aged 32) | 13 | Hyères Carqueiranne |
| Thomas Crețu | Prop | (2002-03-05)5 March 2002 (aged 21) | 5 | Aurillac |
| Gheorghe Gajion | Prop | (1992-11-13)13 November 1992 (aged 30) | 9 | Mont-de-Marsan |
| Alexandru Gordaș | Prop | (1994-05-11)11 May 1994 (aged 29) | 35 | Dinamo București |
| Iulian Harțig | Prop | (1998-10-11)11 October 1998 (aged 24) | 9 | Bassin d'Arcachon |
| Alexandru Savin | Prop | (1995-02-12)12 February 1995 (aged 28) | 25 | Steaua București |
| Ștefan Iancu | Lock | (1998-07-01)1 July 1998 (aged 25) | 5 | Știința Baia Mare |
| Marius Iftimiciuc | Lock | (1997-08-13)13 August 1997 (aged 26) | 22 | Carcassonne |
| Adrian Moțoc | Lock | (1996-07-11)11 July 1996 (aged 27) | 27 | Biarritz |
| Cristi Boboc | Back row | (1995-10-09)9 October 1995 (aged 27) | 9 | Steaua București |
| Cristi Chirică (c) | Back row | (1997-04-09)9 April 1997 (aged 26) | 34 | Dinamo București |
| André Gorin $^1$ | Back row | (1987-11-30)30 November 1987 (aged 35) | 44 | Hyères Carqueiranne |
| Mihai Macovei $^1$ | Back row | (1986-10-29)29 October 1986 (aged 36) | 104 | Bassin d'Arcachon |
| Vlad Neculau | Back row | (1998-01-07)7 January 1998 (aged 25) | 14 | Timișoara |
| Florian Roșu | Back row | (1993-04-20)20 April 1993 (aged 30) | 13 | Știința Baia Mare |
| Dragoș Ser | Back row | (1999-03-04)4 March 1999 (aged 24) | 15 | Steaua București |
| Damian Strătilă | Back row | (1996-07-28)28 July 1996 (aged 27) | 6 | Steaua București |
| Alin Conache | Scrum-half | (2002-05-07)7 May 2002 (aged 21) | 5 | Timișoara |
| Gabriel Rupanu | Scrum-half | (1997-09-28)28 September 1997 (aged 25) | 21 | Timișoara |
| Florin Surugiu | Scrum-half | (1984-12-10)10 December 1984 (aged 38) | 103 | Steaua București |
| Tudor Boldor | Fly-half | (1997-11-29)29 November 1997 (aged 25) | 16 | Dinamo București |
| Mihai Mureșan $^1$ | Fly-half | (2002-10-02)2 October 2002 (aged 20) | 3 | Știința Baia Mare |
| Luca Nichitean $^2$ | Fly-half | (1999-06-29)29 June 1999 (aged 24) | 0 | Știința Baia Mare |
| Gabriel Pop $^2$ | Fly-half | (1998-03-29)29 March 1998 (aged 25) | 5 | Dinamo București |
| Alexandru Bucur $^2$ | Centre | (1994-04-24)24 April 1994 (aged 29) | 15 | Știința Baia Mare |
| Taylor Gontineac $^2$ | Centre | (2000-07-16)16 July 2000 (aged 23) | 10 | Rouen |
| Mihai Graure $^2$ | Centre | | 0 | Dinamo București |
| Tevita Manumua | Centre | (1993-02-12)12 February 1993 (aged 30) | 2 | Timișoara |
| Taliaʻuli Sikuea $^1$ | Centre | (1995-07-14)14 July 1995 (aged 28) | 1 | Știința Baia Mare |
| Jason Tomane | Centre | (1995-03-04)4 March 1995 (aged 28) | 14 | Știința Baia Mare |
| Sioeli Lama $^1$ | Wing | (1995-10-12)12 October 1995 (aged 27) | 6 | Steaua București |
| Nicolas Onuțu | Wing | (1995-12-27)27 December 1995 (aged 27) | 27 | Annonay |
| Marius Simionescu | Wing | (1997-09-05)5 September 1997 (aged 26) | 30 | Timișoara |
| Fonovai Tangimana | Wing | (1989-10-25)25 October 1989 (aged 33) | 22 | Steaua București |
| Paul Popoaia $^1$ | Fullback | (2000-05-29)29 May 2000 (aged 23) | 12 | Știința Baia Mare |
| Hinckley Vaovasa $^2$ | Fullback | (1998-09-24)24 September 1998 (aged 24) | 18 | Steaua București |

## Pool C
### Wales

Wales announced their final squad on 21 August 2023.
$^1$ On 7 October 2023, Taulupe Faletau was ruled out of the World Cup, after sustaining a broken arm. He was replaced in the Wales squad by Kieran Hardy.
Head coach: Warren Gatland
| Player | Position | Date of birth (age) | Caps | Club/province |
| Elliot Dee | Hooker | (1994-03-07)7 March 1994 (aged 29) | 43 | Dragons |
| Ryan Elias | Hooker | (1995-01-07)7 January 1995 (aged 28) | 34 | Scarlets |
| Dewi Lake (cc) | Hooker | (1999-05-16)16 May 1999 (aged 24) | 9 | Ospreys |
| Corey Domachowski | Prop | (1996-11-09)9 November 1996 (aged 26) | 2 | Cardiff |
| Tomas Francis | Prop | (1992-04-27)27 April 1992 (aged 31) | 72 | Provence |
| Dillon Lewis | Prop | (1996-01-04)4 January 1996 (aged 27) | 51 | Harlequins |
| Nicky Smith | Prop | (1994-04-07)7 April 1994 (aged 29) | 44 | Ospreys |
| Gareth Thomas | Prop | (1993-08-02)2 August 1993 (aged 30) | 22 | Ospreys |
| Henry Thomas | Prop | (1991-10-30)30 October 1991 (aged 31) | 2 | Montpellier |
| Adam Beard | Lock | (1996-01-07)7 January 1996 (aged 27) | 47 | Ospreys |
| Dafydd Jenkins | Lock | (2002-12-05)5 December 2002 (aged 20) | 7 | Exeter Chiefs |
| Will Rowlands | Lock | (1991-09-19)19 September 1991 (aged 31) | 25 | Racing 92 |
| Christ Tshiunza | Lock | (2002-01-09)9 January 2002 (aged 21) | 7 | Exeter Chiefs |
| Taine Basham | Back row | (1999-02-22)22 February 1999 (aged 24) | 13 | Dragons |
| Taulupe Faletau $^1$ | Back row | (1990-11-12)12 November 1990 (aged 32) | 100 | Cardiff |
| Dan Lydiate | Back row | (1988-12-18)18 December 1988 (aged 34) | 71 | Dragons |
| Jac Morgan (cc) | Back row | (2000-01-21)21 January 2000 (aged 23) | 11 | Ospreys |
| Tommy Reffell | Back row | (1999-04-27)27 April 1999 (aged 24) | 10 | Leicester Tigers |
| Aaron Wainwright | Back row | (1997-09-25)25 September 1997 (aged 25) | 39 | Dragons |
| Gareth Davies | Scrum-half | (1990-08-18)18 August 1990 (aged 33) | 69 | Scarlets |
| Kieran Hardy $^1$ | Scrum-half | (1995-11-30)30 November 1995 (aged 27) | 18 | Scarlets |
| Tomos Williams | Scrum-half | (1995-01-01)1 January 1995 (aged 28) | 48 | Cardiff |
| Gareth Anscombe | Fly-half | (1991-05-10)10 May 1991 (aged 32) | 35 | Tokyo Sungoliath |
| Dan Biggar | Fly-half | (1989-10-16)16 October 1989 (aged 33) | 109 | Toulon |
| Sam Costelow | Fly-half | (2001-01-10)10 January 2001 (aged 22) | 4 | Scarlets |
| Mason Grady | Centre | (2002-03-29)29 March 2002 (aged 21) | 4 | Cardiff |
| George North | Centre | (1992-04-13)13 April 1992 (aged 31) | 114 | Ospreys |
| Nick Tompkins | Centre | (1995-02-16)16 February 1995 (aged 28) | 28 | Saracens |
| Johnny Williams | Centre | (1996-10-18)18 October 1996 (aged 26) | 6 | Scarlets |
| Josh Adams | Wing | (1995-04-21)21 April 1995 (aged 28) | 50 | Cardiff |
| Rio Dyer | Wing | (1999-12-21)21 December 1999 (aged 23) | 9 | Dragons |
| Louis Rees-Zammit | Wing | (2001-02-02)2 February 2001 (aged 22) | 27 | Gloucester |
| Leigh Halfpenny | Fullback | (1988-12-22)22 December 1988 (aged 34) | 100 | Unattached |
| Liam Williams | Fullback | (1991-04-09)9 April 1991 (aged 32) | 85 | Kubota Spears |

### Australia

Australia announced their final squad on 10 August 2023.
$^1$ On 21 September 2023, Max Jorgensen was ruled out of the World Cup, after sustaining a broken leg.
Head coach: Eddie Jones
| Player | Position | Date of birth (age) | Caps | Club/province |
| Matt Faessler | Hooker | (1998-12-21)21 December 1998 (aged 24) | 2 | Queensland Reds |
| Dave Porecki | Hooker | (1992-10-23)23 October 1992 (aged 30) | 15 | NSW Waratahs |
| Jordan Uelese | Hooker | (1997-01-24)24 January 1997 (aged 26) | 18 | Melbourne Rebels |
| Angus Bell | Prop | (2000-10-04)4 October 2000 (aged 22) | 24 | NSW Waratahs |
| Pone Fa'amausili | Prop | (1997-02-26)26 February 1997 (aged 26) | 5 | Melbourne Rebels |
| Zane Nonggorr | Prop | (2001-03-30)30 March 2001 (aged 22) | 3 | Queensland Reds |
| Blake Schoupp | Prop | (1998-03-28)28 March 1998 (aged 25) | 1 | ACT Brumbies |
| James Slipper | Prop | (1989-06-06)6 June 1989 (aged 34) | 131 | ACT Brumbies |
| Taniela Tupou | Prop | (1996-05-10)10 May 1996 (aged 27) | 49 | Queensland Reds |
| Richie Arnold | Lock | (1990-07-01)1 July 1990 (aged 33) | 5 | Toulouse |
| Nick Frost | Lock | (1999-10-10)10 October 1999 (aged 23) | 12 | ACT Brumbies |
| Matt Philip | Lock | (1994-03-07)7 March 1994 (aged 29) | 29 | Melbourne Rebels |
| Will Skelton (cc) | Lock | (1992-05-03)3 May 1992 (aged 31) | 29 | La Rochelle |
| Langi Gleeson | Back row | (2001-07-21)21 July 2001 (aged 22) | 4 | NSW Waratahs |
| Tom Hooper | Back row | (2002-01-01)1 January 2002 (aged 21) | 4 | ACT Brumbies |
| Josh Kemeny | Back row | (1998-11-29)29 November 1998 (aged 24) | 1 | Melbourne Rebels |
| Rob Leota | Back row | (1997-03-03)3 March 1997 (aged 26) | 17 | Melbourne Rebels |
| Fraser McReight | Back row | (1999-02-19)19 February 1999 (aged 24) | 13 | Queensland Reds |
| Rob Valetini | Back row | (1998-09-03)3 September 1998 (aged 25) | 35 | ACT Brumbies |
| Issak Fines-Leleiwasa | Scrum-half | (1995-10-02)2 October 1995 (aged 27) | 1 | Western Force |
| Tate McDermott (cc) | Scrum-half | (1998-09-18)18 September 1998 (aged 24) | 26 | Queensland Reds |
| Nic White | Scrum-half | (1990-06-13)13 June 1990 (aged 33) | 63 | ACT Brumbies |
| Carter Gordon | Fly-half | (2001-01-29)29 January 2001 (aged 22) | 5 | Melbourne Rebels |
| Ben Donaldson | Fly-half | (1999-04-05)5 April 1999 (aged 24) | 3 | NSW Waratahs |
| Lalakai Foketi | Centre | (1994-12-22)22 December 1994 (aged 28) | 6 | NSW Waratahs |
| Samu Kerevi | Centre | (1993-09-27)27 September 1993 (aged 29) | 45 | Tokyo Sungoliath |
| Izaia Perese | Centre | (1997-05-17)17 May 1997 (aged 26) | 5 | NSW Waratahs |
| Jordan Petaia | Centre | (2000-03-14)14 March 2000 (aged 23) | 28 | Queensland Reds |
| Max Jorgensen $^1$ | Wing | (2004-09-02)2 September 2004 (aged 19) | 0 | NSW Waratahs |
| Marika Koroibete | Wing | (1992-07-26)26 July 1992 (aged 31) | 55 | Saitama Wild Knights |
| Mark Nawaqanitawase | Wing | (2000-09-11)11 September 2000 (aged 22) | 7 | NSW Waratahs |
| Suliasi Vunivalu | Wing | (1995-11-27)27 November 1995 (aged 27) | 3 | Queensland Reds |
| Andrew Kellaway | Fullback | (1995-10-12)12 October 1995 (aged 27) | 24 | Melbourne Rebels |

### Fiji

Fiji announced their squad on 8 August 2023.
$^1$ On 1 September 2023, Caleb Muntz was ruled out of the World Cup, after sustaining a knee injury. He was replaced in the Fiji squad by Vilimoni Botitu.
$^2$ On 25 September 2023, Jone Koroiduadua was ruled out of the Rugby World Cup, after sustaining an injury. He was replaced in the Fiji squad by Emosi Tuqiri.
$^3$ On 11 October 2023, Temo Mayanavanua was ruled out of the Rugby World Cup, after sustaining an injury. He was replaced in the Fiji squad by Api Ratuniyarawa.
Head coach: Simon Raiwalui
| Player | Position | Date of birth (age) | Caps | Club/province |
| Tevita Ikanivere | Hooker | (1999-09-06)6 September 1999 (aged 24) | 8 | Fijian Drua |
| Sam Matavesi | Hooker | (1992-01-13)13 January 1992 (aged 31) | 26 | Northampton Saints |
| Zuriel Togiatama | Hooker | (1999-02-03)3 February 1999 (aged 24) | 3 | Fijian Drua |
| Mesake Doge | Prop | (1993-04-01)1 April 1993 (aged 30) | 10 | Fijian Drua |
| Jone Koroiduadua $^2$ | Prop | (1997-02-27)27 February 1997 (aged 26) | 2 | Fijian Drua |
| Eroni Mawi | Prop | (1996-06-02)2 June 1996 (aged 27) | 25 | Saracens |
| Peni Ravai | Prop | (1990-06-16)16 June 1990 (aged 33) | 39 | Queensland Reds |
| Luke Tagi | Prop | (1997-06-23)23 June 1997 (aged 26) | 9 | Bayonne |
| Samu Tawake | Prop | (1996-09-11)11 September 1996 (aged 26) | 2 | Fijian Drua |
| Emosi Tuqiri $^2$ | Prop | (2000-12-28)28 December 2000 (aged 22) | 0 | Fijian Drua |
| Te Ahiwaru Cirikidaveta | Lock | (1998-04-12)12 April 1998 (aged 25) | 5 | Fijian Drua |
| Temo Mayanavanua $^3$ | Lock | (1997-11-09)9 November 1997 (aged 25) | 11 | Northampton Saints |
| Isoa Nasilasila | Lock | (1999-09-13)13 September 1999 (aged 23) | 7 | Fijian Drua |
| Api Ratuniyarawa $^3$ | Lock | (1986-07-11)11 July 1986 (aged 37) | 41 | Bayonne |
| Lekima Tagitagivalu | Lock | (1995-12-04)4 December 1995 (aged 27) | 3 | Pau |
| Levani Botia | Back row | (1989-03-14)14 March 1989 (aged 34) | 24 | La Rochelle |
| Meli Derenalagi | Back row | (1998-11-26)26 November 1998 (aged 24) | 3 | Fijian Drua |
| Viliame Mata | Back row | (1991-10-22)22 October 1991 (aged 31) | 26 | Edinburgh |
| Vilive Miramira | Back row | (1999-03-21)21 March 1999 (aged 24) | 1 | Fijian Drua |
| Albert Tuisue | Back row | (1993-06-06)6 June 1993 (aged 30) | 19 | Gloucester |
| Simione Kuruvoli | Scrum-half | (1999-01-02)2 January 1999 (aged 24) | 7 | Fijian Drua |
| Frank Lomani | Scrum-half | (1996-04-18)18 April 1996 (aged 27) | 26 | Fijian Drua |
| Ratu Peni Matawalu | Scrum-half | (1997-07-08)8 July 1997 (aged 26) | 5 | Fijian Drua |
| Caleb Muntz $^1$ | Fly-half | (1999-10-30)30 October 1999 (aged 23) | 4 | Fijian Drua |
| Teti Tela | Fly-half | (1991-03-07)7 March 1991 (aged 32) | 6 | Fijian Drua |
| Vilimoni Botitu $^1$ | Centre | (1998-06-15)15 June 1998 (aged 25) | 8 | Castres |
| Sireli Maqala | Centre | (2000-03-21)21 March 2000 (aged 23) | 4 | Bayonne |
| Iosefo Masi | Centre | (1998-05-09)9 May 1998 (aged 25) | 2 | Fijian Drua |
| Waisea Nayacalevu (c) | Centre | (1990-06-26)26 June 1990 (aged 33) | 39 | Toulon |
| Semi Radradra | Centre | (1992-06-13)13 June 1992 (aged 31) | 15 | Lyon |
| Josua Tuisova | Centre | (1994-02-04)4 February 1994 (aged 29) | 19 | Racing 92 |
| Vinaya Habosi | Wing | (2000-01-30)30 January 2000 (aged 23) | 6 | Racing 92 |
| Kalaveti Ravouvou | Wing | (1998-06-06)6 June 1998 (aged 25) | 6 | Bristol Bears |
| Selestino Ravutaumada | Wing | (2000-01-17)17 January 2000 (aged 23) | 4 | Fijian Drua |
| Jiuta Wainiqolo | Wing | (1999-03-10)10 March 1999 (aged 24) | 4 | Toulon |
| Ilaisa Droasese | Fullback | (1999-09-13)13 September 1999 (aged 23) | 4 | Fijian Drua |

### Georgia

Georgia announced their final squad on 28 August 2023.
$^1$ On 27 September 2023, Beka Gorgadze was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the Georgia squad by Otar Giorgadze. Later that day, Luka Japaridze left the Georgia squad, after sustaining a back injury. He was replaced by Irakli Aptsiauri.
$^2$ On 2 October 2023, Tengiz Zamtaradze, Mirian Modebadze and Lasha Jaiani were ruled out of the World Cup, after sustaining various injuries. They were replaced in the Georgia squad by Vano Karkadze, Otar Lashkhi and Mikheil Babunashvili.
Head Coach: Levan Maisashvili
| Player | Position | Date of birth (age) | Caps | Club/province |
| Shalva Mamukashvili | Hooker | (1990-10-02)2 October 1990 (aged 32) | 100 | Black Lion |
| Luka Nioradze | Hooker | (1999-04-06)6 April 1999 (aged 24) | 1 | Aurillac |
| Tengiz Zamtaradze $^2$ | Hooker | (1998-01-02)2 January 1998 (aged 25) | 4 | Black Lion |
| Vano Karkadze $^2$ | Hooker | (2000-06-25)25 June 2000 (aged 23) | 7 | Montpellier |
| Nika Abuladze | Prop | (1995-08-20)20 August 1995 (aged 28) | 12 | Exeter Chiefs |
| Irakli Aptsiauri $^1$ | Prop | (2003-02-23)23 February 2003 (aged 20) | 0 | Grenoble |
| Beka Gigashvili | Prop | (1992-02-17)17 February 1992 (aged 31) | 36 | Toulon |
| Guram Gogichashvili | Prop | (1998-09-04)4 September 1998 (aged 25) | 39 | Racing 92 |
| Luka Japaridze $^1$ | Prop | (1998-09-06)6 September 1998 (aged 25) | 8 | Montpellier |
| Mikheil Nariashvili | Prop | (1990-05-25)25 May 1990 (aged 33) | 73 | Black Lion |
| Guram Papidze | Prop | (1997-06-16)16 June 1997 (aged 26) | 12 | Pau |
| Lado Chachanidze | Lock | (2000-05-14)14 May 2000 (aged 23) | 13 | Nevers |
| Nodar Tcheishvili | Lock | (1990-11-13)13 November 1990 (aged 32) | 48 | Black Lion |
| Mikheil Babunashvili $^2$ | Lock | (1996-05-31)31 May 1996 (aged 27) | 2 | Black Lion |
| Lasha Jaiani $^2$ | Lock | (1998-04-21)21 April 1998 (aged 25) | 19 | Nevers |
| Konstantin Mikautadze | Lock | (1991-07-01)1 July 1991 (aged 32) | 84 | Bayonne |
| Mikheil Gachechiladze | Back row | (1990-12-24)24 December 1990 (aged 32) | 21 | Black Lion |
| Otar Giorgadze $^1$ | Back row | (1996-03-02)2 March 1996 (aged 27) | 35 | Montauban |
| Beka Gorgadze $^1$ | Back row | (1996-02-08)8 February 1996 (aged 27) | 40 | Pau |
| Luka Ivanishvili | Back row | (2001-11-25)25 November 2001 (aged 21) | 7 | Black Lion |
| Tornike Jalagonia | Back row | (1998-12-12)12 December 1998 (aged 24) | 24 | Biarritz |
| Beka Saghinadze | Back row | (1998-10-29)29 October 1998 (aged 24) | 36 | Lyon |
| Giorgi Tsutskiridze | Back row | (1996-11-26)26 November 1996 (aged 26) | 31 | Stade Français |
| Gela Aprasidze | Scrum-half | (1998-01-14)14 January 1998 (aged 25) | 48 | Bayonne |
| Vasil Lobzhanidze | Scrum-half | (1996-10-14)14 October 1996 (aged 26) | 78 | Brive |
| Tengiz Peranidze | Scrum-half | (1998-04-06)6 April 1998 (aged 25) | 1 | Black Lion |
| Tedo Abzhandadze | Fly-half | (1999-06-13)13 June 1999 (aged 24) | 43 | Montauban |
| Luka Matkava | Fly-half | (2001-10-05)5 October 2001 (aged 21) | 10 | Black Lion |
| Tornike Kakhoidze | Centre | (2003-08-16)16 August 2003 (aged 20) | 3 | Black Lion |
| Giorgi Kveseladze | Centre | (1997-11-11)11 November 1997 (aged 25) | 48 | Black Lion |
| Merab Sharikadze (c) | Centre | (1993-05-17)17 May 1993 (aged 30) | 96 | Black Lion |
| Demur Tapladze | Centre | (2000-03-18)18 March 2000 (aged 23) | 28 | Black Lion |
| Mirian Modebadze $^2$ | Wing | (1997-10-27)27 October 1997 (aged 25) | 25 | Black Lion |
| Otar Lashkhi $^2$ | Wing | (2000-04-27)27 April 2000 (aged 23) | 2 | Black Lion |
| Aka Tabutsadze | Wing | (1997-08-19)19 August 1997 (aged 26) | 31 | Black Lion |
| Alexander Todua | Wing | (1987-11-02)2 November 1987 (aged 35) | 108 | Black Lion |
| Lasha Khmaladze | Fullback | (1988-01-20)20 January 1988 (aged 35) | 96 | RC Batumi |
| Davit Niniashvili | Fullback | (2002-07-14)14 July 2002 (aged 21) | 23 | Lyon |

### Portugal

Portugal announced their final squad on 28 August 2023.
Head coach: Patrice Lagisquet
| Player | Position | Date of birth (age) | Caps | Club/province |
| Lionel Campergue | Hooker | (1987-11-24)24 November 1987 (aged 35) | 21 | Bassin d'Arcachon |
| Duarte Diniz | Hooker | (1995-11-08)8 November 1995 (aged 27) | 35 | Direito |
| Mike Tadjer | Hooker | (1989-03-10)10 March 1989 (aged 34) | 32 | Perpignan |
| Anthony Alves | Prop | (1989-06-23)23 June 1989 (aged 34) | 31 | Mont-de-Marsan |
| Francisco Bruno | Prop | (1995-05-28)28 May 1995 (aged 28) | 24 | Direito |
| David Costa | Prop | (1999-07-05)5 July 1999 (aged 24) | 25 | Direito |
| Francisco Fernandes | Prop | (1985-09-06)6 September 1985 (aged 38) | 44 | Béziers |
| Diogo Hasse Ferreira | Prop | (1996-10-17)17 October 1996 (aged 26) | 37 | Dax |
| António Machado Santos | Prop | (1998-06-09)9 June 1998 (aged 25) | 2 | Belenenses |
| Martim Bello | Lock | (2000-09-27)27 September 2000 (aged 22) | 6 | Cascais |
| Steevy Cerqueira | Lock | (1993-08-09)9 August 1993 (aged 30) | 12 | Chambéry |
| José Madeira | Lock | (2001-03-19)19 March 2001 (aged 22) | 32 | Grenoble |
| Duarte Torgal | Lock | (1997-12-23)23 December 1997 (aged 25) | 19 | Direito |
| Thibault de Freitas | Back row | (1992-01-08)8 January 1992 (aged 31) | 31 | Floirac |
| João Granate | Back row | (1997-02-21)21 February 1997 (aged 26) | 31 | Direito |
| Nicolas Martins | Back row | (1999-01-18)18 January 1999 (aged 24) | 8 | Soyaux Angoulême |
| Manuel Picão | Back row | (1997-04-10)10 April 1997 (aged 26) | 21 | Direito |
| Rafael Simões | Back row | (1991-06-20)20 June 1991 (aged 32) | 27 | CDUL |
| David Wallis | Back row | (1997-04-17)17 April 1997 (aged 26) | 20 | Belenenses |
| João Bello | Scrum-half | (1995-08-02)2 August 1995 (aged 28) | 25 | CDUP |
| Pedro Lucas | Scrum-half | (2000-10-16)16 October 2000 (aged 22) | 17 | Técnico |
| Samuel Marques | Scrum-half | (1988-12-08)8 December 1988 (aged 34) | 22 | Béziers |
| Joris Moura | Fly-half | (2000-05-07)7 May 2000 (aged 23) | 1 | Valence Romans |
| Jerónimo Portela | Fly-half | (2000-11-02)2 November 2000 (aged 22) | 25 | Direito |
| Tomás Appleton (c) | Centre | (1993-07-29)29 July 1993 (aged 30) | 62 | CDUL |
| Pedro Bettencourt | Centre | (1994-11-18)18 November 1994 (aged 28) | 30 | Oyonnax |
| José Lima | Centre | (1992-04-24)24 April 1992 (aged 31) | 55 | Narbonne |
| Rodrigo Marta | Wing | (1999-11-18)18 November 1999 (aged 23) | 31 | Colomiers |
| Vincent Pinto | Wing | (1999-04-10)10 April 1999 (aged 24) | 14 | Colomiers |
| Manuel Cardoso Pinto | Wing | (1998-04-07)7 April 1998 (aged 25) | 30 | Agronomia |
| Raffaele Storti | Wing | (2000-12-19)19 December 2000 (aged 22) | 21 | Béziers |
| Simão Bento | Fullback | (2001-06-21)21 June 2001 (aged 22) | 11 | Mont-de-Marsan |
| Nuno Sousa Guedes | Fullback | (1994-11-21)21 November 1994 (aged 28) | 38 | CDUP |

## Pool D
### England

England announced their initial squad on 7 August 2023.
$^1$ On 14 August 2023, Jack van Poortvliet was ruled out of the World Cup, after sustaining an ankle injury. He was replaced in the England squad by Alex Mitchell.
$^2$ On 27 August 2023, Anthony Watson was ruled out of the World Cup, after sustaining a calf injury. He was replaced in the England squad by Jonny May.
$^3$ On 5 October 2023, Jack Willis was ruled out of the World Cup, after sustaining a neck injury. He was replaced in the England squad by Sam Underhill.
Head coach: Steve Borthwick
| Player | Position | Date of birth (age) | Caps | Club/province |
| Theo Dan | Hooker | (2000-12-26)26 December 2000 (aged 22) | 3 | Saracens |
| Jamie George | Hooker | (1990-10-20)20 October 1990 (aged 32) | 79 | Saracens |
| Jack Walker | Hooker | (1996-05-06)6 May 1996 (aged 27) | 4 | Harlequins |
| Dan Cole | Prop | (1987-05-09)9 May 1987 (aged 36) | 102 | Leicester Tigers |
| Ellis Genge (vc) | Prop | (1995-02-16)16 February 1995 (aged 28) | 52 | Bristol Bears |
| Joe Marler | Prop | (1990-07-07)7 July 1990 (aged 33) | 82 | Harlequins |
| Bevan Rodd | Prop | (2000-08-26)26 August 2000 (aged 23) | 3 | Sale Sharks |
| Kyle Sinckler | Prop | (1993-03-30)30 March 1993 (aged 30) | 63 | Bristol Bears |
| Will Stuart | Prop | (1996-07-12)12 July 1996 (aged 27) | 29 | Bath |
| Ollie Chessum | Lock | (2000-09-06)6 September 2000 (aged 23) | 11 | Leicester Tigers |
| Maro Itoje | Lock | (1994-10-28)28 October 1994 (aged 28) | 70 | Saracens |
| Courtney Lawes (vc) | Lock | (1989-02-23)23 February 1989 (aged 34) | 100 | Northampton Saints |
| George Martin | Lock | (2001-06-18)18 June 2001 (aged 22) | 3 | Leicester Tigers |
| David Ribbans | Lock | (1995-08-29)29 August 1995 (aged 28) | 8 | Toulon |
| Tom Curry | Back row | (1998-06-15)15 June 1998 (aged 25) | 45 | Sale Sharks |
| Ben Earl | Back row | (1998-01-07)7 January 1998 (aged 25) | 18 | Saracens |
| Lewis Ludlam | Back row | (1995-12-08)8 December 1995 (aged 27) | 21 | Northampton Saints |
| Sam Underhill $^3$ | Back row | (1996-07-22)22 July 1996 (aged 27) | 29 | Bath |
| Jack Willis $^3$ | Back row | (1996-12-24)24 December 1996 (aged 26) | 13 | Toulouse |
| Billy Vunipola | Back row | (1992-11-03)3 November 1992 (aged 30) | 70 | Saracens |
| Danny Care | Scrum-half | (1987-01-02)2 January 1987 (aged 36) | 90 | Harlequins |
| Alex Mitchell $^1$ | Scrum-half | (1997-05-25)25 May 1997 (aged 26) | 6 | Northampton Saints |
| Jack van Poortvliet $^1$ | Scrum-half | (2001-05-15)15 May 2001 (aged 22) | 14 | Leicester Tigers |
| Ben Youngs | Scrum-half | (1989-09-05)5 September 1989 (aged 34) | 124 | Leicester Tigers |
| Owen Farrell (c) | Fly-half | (1991-09-24)24 September 1991 (aged 31) | 107 | Saracens |
| George Ford | Fly-half | (1993-03-16)16 March 1993 (aged 30) | 85 | Sale Sharks |
| Marcus Smith | Fly-half | (1999-02-14)14 February 1999 (aged 24) | 24 | Harlequins |
| Elliot Daly | Centre | (1992-10-08)8 October 1992 (aged 30) | 59 | Saracens |
| Ollie Lawrence | Centre | (1999-09-18)18 September 1999 (aged 23) | 14 | Bath |
| Joe Marchant | Centre | (1996-07-16)16 July 1996 (aged 27) | 19 | Stade Français |
| Manu Tuilagi | Centre | (1991-05-18)18 May 1991 (aged 32) | 53 | Sale Sharks |
| Max Malins | Wing | (1997-01-07)7 January 1997 (aged 26) | 21 | Bristol Bears |
| Jonny May $^2$ | Wing | (1990-04-01)1 April 1990 (aged 33) | 72 | Gloucester |
| Anthony Watson $^2$ | Wing | (1994-02-26)26 February 1994 (aged 29) | 56 | Unattached |
| Henry Arundell | Fullback | (2002-11-08)8 November 2002 (aged 20) | 8 | Racing 92 |
| Freddie Steward | Fullback | (2000-12-05)5 December 2000 (aged 22) | 26 | Leicester Tigers |

### Japan

On 15 August 2023, Japan named an initial 30-player squad for the World Cup, with three players remaining to be added. On 18 August 2023, Warner Dearns, Amanaki Saumaki and Lappies Labuschagné were added to complete the 33-player squad.
$^1$ On 18 August 2023, James Moore was replaced by Uwe Helu.
$^2$ On 29 August 2023, Uwe Helu and Shōgo Nakano were withdrawn due to performance issues and replaced by Amato Fakatava and Kanji Shimokawa.
$^3$ On 19 September 2023, Semisi Masirewa was replaced, after a leg injury, by Ryohei Yamanaka.
Head Coach: Jamie Joseph
| Player | Position | Date of birth (age) | Caps | Club/province |
| Shota Horie | Hooker | (1986-01-21)21 January 1986 (aged 37) | 72 | Saitama Wild Knights |
| Kosuke Horikoshi | Hooker | (1995-06-02)2 June 1995 (aged 28) | 7 | Tokyo Sungoliath |
| Atsushi Sakate | Hooker | (1993-06-21)21 June 1993 (aged 30) | 37 | Saitama Wild Knights |
| Asaeli Ai Valu | Prop | (1989-05-07)7 May 1989 (aged 34) | 26 | Saitama Wild Knights |
| Sione Halasili | Prop | (1999-10-15)15 October 1999 (aged 23) | 0 | Yokohama Canon Eagles |
| Keita Inagaki | Prop | (1990-06-02)2 June 1990 (aged 33) | 49 | Saitama Wild Knights |
| Koo Ji-won | Prop | (1994-07-20)20 July 1994 (aged 29) | 25 | Kobelco Kobe Steelers |
| Shinnosuke Kakinaga | Prop | (1991-12-19)19 December 1991 (aged 31) | 12 | Tokyo Sungoliath |
| Craig Millar | Prop | (1990-10-29)29 October 1990 (aged 32) | 13 | Saitama Wild Knights |
| Jack Cornelsen | Lock | (1994-10-13)13 October 1994 (aged 28) | 16 | Saitama Wild Knights |
| Warner Dearns | Lock | (2002-04-11)11 April 2002 (aged 21) | 7 | Toshiba Brave Lupus Tokyo |
| Amato Fakatava $^2$ | Lock | (1994-12-07)7 December 1994 (aged 28) | 3 | Black Rams Tokyo |
| Uwe Helu $^{1,}$ $^2$ | Lock | (1990-07-12)12 July 1990 (aged 33) | 19 | Kubota Spears |
| James Moore $^1$ | Lock | (1993-11-06)6 November 1993 (aged 29) | 16 | Urayasu D-Rocks |
| Amanaki Saumaki | Lock | (1997-03-08)8 March 1997 (aged 26) | 1 | Kobelco Kobe Steelers |
| Shota Fukui | Back row | (1999-09-28)28 September 1999 (aged 23) | 2 | Saitama Wild Knights |
| Ben Gunter | Back row | (1997-10-24)24 October 1997 (aged 25) | 8 | Saitama Wild Knights |
| Kazuki Himeno (c) | Back row | (1994-07-27)27 July 1994 (aged 29) | 29 | Toyota Verblitz |
| Lappies Labuschagné | Back row | (1989-01-11)11 January 1989 (aged 34) | 16 | Kubota Spears |
| Michael Leitch | Back row | (1988-10-07)7 October 1988 (aged 34) | 80 | Toshiba Brave Lupus Tokyo |
| Kanji Shimokawa $^2$ | Back row | (1999-01-17)17 January 1999 (aged 24) | 2 | Tokyo Sungoliath |
| Kenta Fukuda | Scrum-half | (1996-12-19)19 December 1996 (aged 26) | 0 | Toyota Verblitz |
| Yutaka Nagare | Scrum-half | (1992-09-04)4 September 1992 (aged 31) | 34 | Tokyo Sungoliath |
| Naoto Saito | Scrum-half | (1997-08-26)26 August 1997 (aged 26) | 15 | Tokyo Sungoliath |
| Jumpei Ogura | Fly-half | (1992-07-11)11 July 1992 (aged 31) | 4 | Yokohama Canon Eagles |
| Rikiya Matsuda | Fly-half | (1994-05-03)3 May 1994 (aged 29) | 33 | Saitama Wild Knights |
| Lee Seung-sin | Fly-half | (2001-01-13)13 January 2001 (aged 22) | 10 | Kobelco Kobe Steelers |
| Ryoto Nakamura | Centre | (1991-06-03)3 June 1991 (aged 32) | 35 | Tokyo Sungoliath |
| Shōgo Nakano $^2$ | Centre | (1997-06-11)11 June 1997 (aged 26) | 7 | Tokyo Sungoliath |
| Dylan Riley | Centre | (1997-05-02)2 May 1997 (aged 26) | 14 | Saitama Wild Knights |
| Tomoki Osada | Centre | (1999-11-25)25 November 1999 (aged 23) | 4 | Saitama Wild Knights |
| Ryohei Yamanaka $^3$ | Centre | (1988-06-22)22 June 1988 (aged 35) | 18 | Kobelco Kobe Steelers |
| Siosaia Fifita | Wing | (1998-12-20)20 December 1998 (aged 24) | 12 | Toyota Verblitz |
| Lomano Lemeki | Wing | (1989-01-20)20 January 1989 (aged 34) | 16 | Green Rockets Tokatsu |
| Semisi Masirewa $^3$ | Wing | (1992-06-09)9 June 1992 (aged 31) | 5 | Hanazono Kintetsu Liners |
| Jone Naikabula | Wing | (1994-04-12)12 April 1994 (aged 29) | 4 | Toshiba Brave Lupus Tokyo |
| Kotaro Matsushima | Fullback | (1993-02-26)26 February 1993 (aged 30) | 51 | Tokyo Sungoliath |

### Argentina

Argentina announced their final squad on 7 August 2023.
$^1$ On 22 August 2023, Nahuel Tetaz Chaparro was ruled out of the World Cup, after sustaining an injury. He was replaced in the Argentina squad by Mayco Vivas.
$^2$ On 27 August 2023, Santiago Grondona was ruled out of the World Cup, after sustaining an injury. He was replaced in the Argentina squad by Joaquín Oviedo.
$^3$ On 9 October 2023, Pablo Matera was ruled out of the World Cup, after sustaining a hamstring injury. He was replaced in the Argentina squad by Lucas Paulos.
Head coach: Michael Cheika
| Player | Position | Date of birth (age) | Caps | Club/province |
| Agustín Creevy | Hooker | (1985-03-15)15 March 1985 (aged 38) | 101 | Sale Sharks |
| Julián Montoya (c) | Hooker | (1993-10-29)29 October 1993 (aged 29) | 89 | Leicester Tigers |
| Ignacio Ruiz | Hooker | (2001-01-03)3 January 2001 (aged 22) | 6 | Perpignan |
| Eduardo Bello | Prop | (1995-11-27)27 November 1995 (aged 27) | 14 | Newcastle Falcons |
| Thomas Gallo | Prop | (1999-04-30)30 April 1999 (aged 24) | 17 | Benetton |
| Francisco Gómez Kodela | Prop | (1985-07-07)7 July 1985 (aged 38) | 31 | Lyon |
| Joel Sclavi | Prop | (1994-06-25)25 June 1994 (aged 29) | 12 | La Rochelle |
| Nahuel Tetaz Chaparro $^1$ | Prop | (1989-03-11)11 March 1989 (aged 34) | 78 | Benetton |
| Mayco Vivas $^1$ | Prop | (1998-06-02)2 June 1998 (aged 25) | 19 | Gloucester |
| Matías Alemanno | Lock | (1991-12-05)5 December 1991 (aged 31) | 87 | Gloucester |
| Tomás Lavanini | Lock | (1993-01-22)22 January 1993 (aged 30) | 82 | Clermont |
| Lucas Paulos $^3$ | Lock | (1998-01-09)9 January 1998 (aged 25) | 12 | Brive |
| Guido Petti | Lock | (1994-09-17)17 September 1994 (aged 28) | 75 | Bordeaux Bègles |
| Pedro Rubiolo | Lock | (2002-12-12)12 December 2002 (aged 20) | 5 | Newcastle Falcons |
| Rodrigo Bruni | Back row | (1993-09-03)3 September 1993 (aged 30) | 21 | Bayonne |
| Juan Martín González | Back row | (2000-11-14)14 November 2000 (aged 22) | 24 | Saracens |
| Santiago Grondona $^2$ | Back row | (1998-07-25)25 July 1998 (aged 25) | 15 | Bristol Bears |
| Facundo Isa | Back row | (1993-09-21)21 September 1993 (aged 29) | 47 | Toulon |
| Marcos Kremer | Back row | (1997-07-30)30 July 1997 (aged 26) | 57 | Clermont |
| Pablo Matera $^3$ | Back row | (1993-07-18)18 July 1993 (aged 30) | 95 | Mie Honda Heat |
| Joaquín Oviedo $^2$ | Back row | (1998-07-25)25 July 1998 (aged 25) | 1 | Perpignan |
| Lautaro Bazán | Scrum-half | (1996-02-24)24 February 1996 (aged 27) | 7 | Rovigo Delta |
| Gonzalo Bertranou | Scrum-half | (1993-12-31)31 December 1993 (aged 29) | 53 | Dragons |
| Tomás Cubelli | Scrum-half | (1989-06-12)12 June 1989 (aged 34) | 89 | Miami Sharks |
| Santiago Carreras | Fly-half | (1998-03-30)30 March 1998 (aged 25) | 35 | Gloucester |
| Nicolás Sánchez | Fly-half | (1988-08-26)26 August 1988 (aged 35) | 98 | Unattached |
| Santiago Chocobares | Centre | (1999-03-31)31 March 1999 (aged 24) | 14 | Toulouse |
| Lucio Cinti | Centre | (2000-02-23)23 February 2000 (aged 23) | 16 | Saracens |
| Jerónimo de la Fuente | Centre | (1991-02-24)24 February 1991 (aged 32) | 76 | Perpignan |
| Matías Moroni | Centre | (1991-03-29)29 March 1991 (aged 32) | 74 | Newcastle Falcons |
| Emiliano Boffelli | Wing | (1995-01-16)16 January 1995 (aged 28) | 53 | Edinburgh |
| Mateo Carreras | Wing | (1999-12-17)17 December 1999 (aged 23) | 11 | Newcastle Falcons |
| Juan Imhoff | Wing | (1988-05-11)11 May 1988 (aged 35) | 42 | Racing 92 |
| Rodrigo Isgró | Wing | (1999-03-24)24 March 1999 (aged 24) | 2 | Argentina Sevens |
| Martín Bogado | Fullback | (1998-04-29)29 April 1998 (aged 25) | 2 | Highlanders |
| Juan Cruz Mallía | Fullback | (1996-09-11)11 September 1996 (aged 26) | 26 | Toulouse |

### Samoa

Samoa announced their final squad on 28 August 2023.
$^1$ On 18 September 2023, Luteru Tolai was ruled out of the World Cup, after sustaining a knee injury. He was replaced in the Samoa squad by Ray Niuia.
Head coach: Seilala Mapusua
| Player | Position | Date of birth (age) | Caps | Club/province |
| Seilala Lam | Hooker | (1989-02-18)18 February 1989 (aged 34) | 23 | Perpignan |
| Sama Malolo | Hooker | (1998-02-19)19 February 1998 (aged 25) | 3 | San Diego Legion |
| Ray Niuia $^1$ | Hooker | (1991-06-19)19 June 1991 (aged 32) | 14 | Moana Pasifika |
| Luteru Tolai $^1$ | Hooker | (1998-06-01)1 June 1998 (aged 25) | 3 | Moana Pasifika |
| Michael Alaalatoa (c) | Prop | (1991-08-28)28 August 1991 (aged 32) | 13 | Leinster |
| Paul Alo-Emile | Prop | (1991-12-22)22 December 1991 (aged 31) | 21 | Stade Français |
| Charlie Faumuina | Prop | (1986-12-24)24 December 1986 (aged 36) | 3 | Toulouse |
| James Lay | Prop | (1993-12-16)16 December 1993 (aged 29) | 12 | Blues |
| Jordan Lay | Prop | (1992-11-05)5 November 1992 (aged 30) | 26 | Blues |
| Brian Alainu'uese | Lock | (1994-03-19)19 March 1994 (aged 29) | 5 | Toulon |
| Theo McFarland | Lock | (1995-10-16)16 October 1995 (aged 27) | 7 | Saracens |
| Sam Slade | Lock | (1997-08-28)28 August 1997 (aged 26) | 4 | Moana Pasifika |
| Chris Vui (c) | Lock | (1993-02-11)11 February 1993 (aged 30) | 25 | Bristol Bears |
| So'otala Fa'aso'o | Back row | (1994-10-02)2 October 1994 (aged 28) | 1 | Perpignan |
| Miracle Faiʻilagi | Back row | (1999-08-31)31 August 1999 (aged 24) | 3 | Moana Pasifika |
| Fritz Lee | Back row | (1988-08-29)29 August 1988 (aged 35) | 7 | Clermont |
| Steve Luatua | Back row | (1991-04-29)29 April 1991 (aged 32) | 3 | Bristol Bears |
| Alamanda Motuga | Back row | (1995-09-11)11 September 1995 (aged 27) | 5 | Moana Pasifika |
| Taleni Seu | Back row | (1993-12-26)26 December 1993 (aged 29) | 6 | Toyota Shuttles |
| Jordan Taufua | Back row | (1992-01-29)29 January 1992 (aged 31) | 6 | Lyon |
| Ere Enari | Scrum-half | (1997-05-30)30 May 1997 (aged 26) | 7 | Moana Pasifika |
| Melani Matavao | Scrum-half | (1995-11-19)19 November 1995 (aged 27) | 13 | Samoa Sevens |
| Jonathan Taumateine | Scrum-half | (1996-09-28)28 September 1996 (aged 26) | 11 | Moana Pasifika |
| Christian Leali'ifano | Fly-half | (1987-09-24)24 September 1987 (aged 35) | 3 | Moana Pasifika |
| Lima Sopoaga | Fly-half | (1991-02-03)3 February 1991 (aged 32) | 1 | Shimizu Blue Sharks |
| D'Angelo Leuila | Centre | (1997-01-18)18 January 1997 (aged 26) | 18 | Moana Pasifika |
| Tumua Manu | Centre | (1993-04-18)18 April 1993 (aged 30) | 7 | Pau |
| Duncan Paia'aua | Centre | (1995-01-20)20 January 1995 (aged 28) | 6 | Toulon |
| UJ Seuteni | Centre | (1993-12-09)9 December 1993 (aged 29) | 12 | La Rochelle |
| Nigel Ah Wong | Wing | (1990-05-30)30 May 1990 (aged 33) | 8 | Unattached |
| Ed Fidow | Wing | (1993-09-11)11 September 1993 (aged 29) | 19 | New York |
| Neria Fomai | Wing | (1992-02-03)3 February 1992 (aged 31) | 8 | Moana Pasifika |
| Ben Lam | Wing | (1991-06-09)9 June 1991 (aged 32) | 0 | Montpellier |
| Danny Toala | Fullback | (1999-03-26)26 March 1999 (aged 24) | 8 | Moana Pasifika |

### Chile

Chile announced their final squad on 27 August 2023.
$^1$ On 8 September 2023, Nicolás Garafulic was ruled out of the World Cup, after sustaining an injury. He was replaced in the Chile squad by Cristóbal Game Jiménez.
Head coach: Pablo Lemoine
| Player | Position | Date of birth (age) | Caps | Franchise/province |
| Augusto Böhme | Hooker | (1997-06-11)11 June 1997 (aged 26) | 22 | Selknam |
| Tomás Dussaillant | Hooker | (1990-10-06)6 October 1990 (aged 32) | 37 | Selknam |
| Diego Escobar | Hooker | (2000-04-17)17 April 2000 (aged 23) | 5 | Selknam |
| Javier Carrasco | Prop | (1997-08-24)24 August 1997 (aged 26) | 19 | Selknam |
| Matías Dittus | Prop | (1993-07-16)16 July 1993 (aged 30) | 21 | Périgueux |
| Iñaki Gurruchaga | Prop | (1995-10-13)13 October 1995 (aged 27) | 11 | Selknam |
| Esteban Inostroza | Prop | (1994-01-01)1 January 1994 (aged 29) | 1 | Selknam |
| Vittorio Lastra | Prop | (1996-03-26)26 March 1996 (aged 27) | 22 | Selknam |
| Salvador Lues | Prop | (1999-11-06)6 November 1999 (aged 23) | 11 | Selknam |
| Javier Eissman | Lock | (1997-03-21)21 March 1997 (aged 26) | 21 | Selknam |
| Pablo Huete | Lock | (1989-01-11)11 January 1989 (aged 34) | 30 | Selknam |
| Santiago Pedrero | Lock | (2000-11-30)30 November 2000 (aged 22) | 6 | Selknam |
| Augusto Sarmiento | Lock | (1993-04-30)30 April 1993 (aged 30) | 15 | PWCC |
| Alfonso Escobar | Back row | (1997-08-17)17 August 1997 (aged 26) | 18 | Selknam |
| Raimundo Martínez | Back row | (1999-11-25)25 November 1999 (aged 23) | 10 | Selknam |
| Thomas Orchard | Back row | (1997-01-12)12 January 1997 (aged 26) | 12 | Selknam |
| Clemente Saavedra | Back row | (1997-12-15)15 December 1997 (aged 25) | 20 | Selknam |
| Martín Sigren (c) | Back row | (1996-05-14)14 May 1996 (aged 27) | 27 | Doncaster Knights |
| Ignacio Silva | Back row | (1989-02-16)16 February 1989 (aged 34) | 38 | Selknam |
| Lukas Carvallo | Scrum-half | (2001-07-06)6 July 2001 (aged 22) | 6 | Selknam |
| Nicolás Herreros | Scrum-half | (1990-01-23)23 January 1990 (aged 33) | 5 | Selknam |
| Marcelo Torrealba | Scrum-half | (1996-05-06)6 May 1996 (aged 27) | 12 | Selknam |
| Benjamín Videla | Scrum-half | (2001-04-24)24 April 2001 (aged 22) | 0 | Selknam |
| Rodrigo Fernández | Fly-half | (1996-02-08)8 February 1996 (aged 27) | 23 | Selknam |
| Santiago Videla | Fly-half | (1998-01-16)16 January 1998 (aged 25) | 25 | Selknam |
| Pablo Casas | Centre | (1992-03-04)4 March 1992 (aged 31) | 15 | Selknam |
| Matías Garafulic | Centre | (2000-09-01)1 September 2000 (aged 23) | 12 | Selknam |
| José Ignacio Larenas | Centre | (1989-09-14)14 September 1989 (aged 33) | 47 | Selknam |
| Domingo Saavedra | Centre | (1997-12-15)15 December 1997 (aged 25) | 24 | Selknam |
| Cristóbal Game Jiménez $^1$ | Wing | (2002-07-09)9 July 2002 (aged 21) | 1 | Old John's |
| Nicolás Garafulic $^1$ | Wing | (1998-09-11)11 September 1998 (aged 24) | 19 | Selknam |
| Franco Velarde | Wing | (1994-11-04)4 November 1994 (aged 28) | 16 | VOBGS |
| Iñaki Ayarza | Fullback | (1999-09-07)7 September 1999 (aged 24) | 14 | Soyaux Angoulême |
| Francisco Urroz | Fullback | (1993-09-07)7 September 1993 (aged 30) | 11 | Selknam |

## Statistics

All statistics relate to the initial 33-man squads named before the start of the tournament on 8 September 2023, and do not include players who joined a squad during the tournament.
* Four squads have all of their players attached to clubs based within their home country: France, Ireland, Japan and New Zealand.
* One squad has none of their players attached to clubs based within their home country: Tonga.

### Player representation by club

A total of 142 different clubs are represented across the 660 players named for the World Cup.
The club sides with the most players represented across the 20 squads are as follows:
| Players | Clubs |
| 28 | Selknam |
| 21 | Peñarol |
| 20 | Benetton |
| 19 | Moana Pasifika |
| 18 | Leinster |
| 17 | Fijian Drua / Toulouse |
| 16 | Edinburgh |
| 15 | Black Lion / Glasgow Warriors |
| 13 | Saracens / Saitama Wild Knights |
| 11 | La Rochelle / Toulon |

### Player representation by league

| League | Players | Percent |
| Total | 660 | — |
| United Rugby Championship ( / / / / ) | 132 | 20.0% |
| Top 14 | 106 | 16.0% |
| Super Rugby ( / / ) | 106 | 16.0% |
| Premiership Rugby | 64 | 9.6% |
| Japan Rugby League One | 50 | 7.6% |
| Super Rugby Americas ( / ) | 49 | 7.4% |
| Pro D2 | 32 | 4.8% |
| Liga Națională de Rugby | 24 | 3.6% |
| European Professional Club Rugby ( / ) | 17 | 2.6% |
| Campeonato Português de Rugby | 16 | 2.4% |
| Championnat Fédéral Nationale / Fédérale 1, 2, 3 | 14 | 2.1% |
| Major League Rugby | 10 | 1.5% |
| Other ( / / / / / / / / / / ) | 31 | 4.7% |
| Unattached | 9 | 1.4% |

### Player representation by nation

| Union | Players | Percent | Other national squad |
| Total | 660 | — | — |
| Argentina | 1 | 0.2% | 0 |
| Australia | 32 | 4.9 | 3 |
| Chile | 30 | 4.6% | — |
| England | 64 | 9.7% | 36 |
| Fiji | 17 | 2.6% | — |
| France | 155 | 23.5% | 122 |
| Georgia | 16 | 2.4% | — |
| Ireland | 37 | 5.6% | 5 |
| Italy | 28 | 4.2% | 6 |
| Japan | 50 | 7.6% | 17 |
| Namibia | 9 | 1.4% | — |
| New Zealand | 57 | 8.6% | 24 |
| Portugal | 16 | 2.4% | — |
| Romania | 24 | 3.6% | 1 |
| Samoa | 2 | 0.3% | — |
| Scotland | 31 | 4.7% | 3 |
| South Africa | 24 | 3.6% | 7 |
| Uruguay | 25 | 3.8% | — |
| Wales | 23 | 3.5% | 3 |
| Other | 0 | 0.0% | 13 |
| Unattached | 7 | 1.1% | — |

### Average age of squads

The age for each player listed below is their age on 8 September 2023, the day that the World Cup begins.
* The oldest player at the tournament is P. J. van Lill (Namibia), at the age of 39.
* The youngest player at the tournament is Max Jorgensen (Australia), at the age of 19.
* The age gap between the oldest and youngest players is 20 years and 272 days.
| Nation | Avg. Age | Oldest player | Youngest player |
| Argentina | 28 | Agustín Creevy (38 years, 177 days) | Pedro Rubiolo (20 years, 270 days) |
| Australia | 25 | James Slipper (34 years, 94 days) | Max Jorgensen (19 years, 6 days) |
| Chile | 27 | Pablo Huete (34 years, 240 days) | Lukas Carvallo (22 years, 64 days) |
| England | 28 | Danny Care (36 years, 249 days) | Henry Arundell (20 years, 304 days) |
| Fiji | 27 | Levani Botia (34 years, 178 days) | Sireli Maqala (23 years, 171 days) |
| France | 27 | Uini Atonio (33 years, 166 days) | Louis Bielle-Biarrey (20 years, 84 days) |
| Georgia | 27 | Alexander Todua (35 years, 310 days) | Tornike Kakhoidze (20 years, 23 days) |
| Ireland | 29 | Johnny Sexton (38 years, 59 days) | Joe McCarthy (22 years, 166 days) |
| Italy | 27 | Federico Zani (34 years, 152 days) | Lorenzo Pani (21 years, 66 days) |
| Japan | 29 | Shōta Horie (37 years, 230 days) | Warner Dearns (21 years, 150 days) |
| Namibia | 28 | P. J. van Lill (39 years, 278 days) | Oela Blaauw (21 years, 326 days) |
| New Zealand | 27 | Dane Coles (36 years, 272 days) | Cam Roigard (22 years, 296 days) |
| Portugal | 27 | Francisco Fernandes (38 years, 2 days) | Simão Bento (22 years, 79 days) |
| Romania | 27 | Florin Surugiu (38 years, 272 days) | Mihai Mureșan (20 years, 341 days) |
| Samoa | 29 | Charlie Faumuina (36 years, 258 days) | Miracle Faiʻilagi (24 years, 8 days) |
| Scotland | 28 | WP Nel (37 years, 131 days) | Ollie Smith (23 years, 32 days) |
| South Africa | 30 | Duane Vermeulen (37 years, 67 days) | Canan Moodie (20 years, 307 days) |
| Tonga | 29 | Siegfried Fisi'ihoi (36 years, 92 days) | Kyren Taumoefolau (20 years, 123 days) |
| Uruguay | 26 | Matías Benítez (35 years, 115 days) | Santiago Álvarez (21 years, 258 days) |
| Wales | 28 | Dan Lydiate (34 years, 264 days) | Dafydd Jenkins (20 years, 277 days) |

### Squad caps

| Nation | Caps | Most capped player | Least capped player |
| New Zealand | 1524 | Sam Whitelock (146) | Emoni Narawa (1) |
| England | 1476 | Ben Youngs (124) | Theo Dan (3) |
| Argentina | 1454 | Agustín Creevy (101) | Rodrigo Isgro (2) |
| South Africa | 1369 | Eben Etzebeth (113) | Jean Kleyn (3) |
| Ireland | 1332 | Johnny Sexton (113) | Jeremy Loughman (3) |
| Wales | 1297 | George North (114) | Corey Domachowski / Henry Thomas (2) |
| Georgia | 1246 | Alexander Todua (108) | Luka Nioradze (1) |
| Scotland | 1037 | Richie Gray (75) | Ben Healy (3) |
| Uruguay | 1019 | Gastón Mieres (82) | Ignacio Facciolo (1) |
| Portugal | 840 | Tomás Appleton (62) | Joris Moura (1) |
| France | 835 | Gaël Fickou (81) | Paul Boudehent (3) |
| Italy | 746 | Tommaso Allan (75) | Giacomo Da Re / Martin Page-Relo (2) |
| Romania | 681 | Mihai Macovei (104) | Tevita Manumua (2) |
| Australia | 668 | James Slipper (131) | Max Jorgensen (0) |
| Japan | 660 | Michael Leitch (80) | Kenta Fukuda / Sione Halasili (0) |
| Chile | 575 | José Ignacio Larenas (47) | Benjamín Videla (0) |
| Namibia | 563 | P. J. van Lill (60) | Oela Blaauw (0) |
| Tonga | 407 | Sonatane Takulua (52) | Adam Coleman (0) |
| Fiji | 374 | Peni Ravai (39) | Vilive Miramira (1) |
| Samoa | 297 | Jordan Lay (26) | Ben Lam (0) |

### Previous World Cup experience
#### By matches

| Player | RWC Matches |
| Sam Whitelock | 19 |
| James Slipper | 18 |
| George North | 16 |
| Dan Cole | 15 |
| Agustín Creevy | 15 |
| Keith Earls | 14 |
| Ben Youngs | 14 |
| Damian de Allende | 13 |
| Eben Etzebeth | 13 |
| Michael Leitch | 13 |
| Conor Murray | 13 |
| Handré Pollard | 13 |

#### By tournaments

| Player | World Cups |
| Dan Cole | 3 |
| Agustín Creevy | 3 |
| Keith Earls | 3 |
| Shota Horie | 3 |
| Lasha Khmaladze | 3 |
| Courtney Lawes | 3 |
| Michael Leitch | 3 |
| Conor Murray | 3 |
| George North | 3 |
| Nicolás Sánchez | 3 |
| Johnny Sexton | 3 |
| James Slipper | 3 |
| Alexander Todua | 3 |
| P. J. van Lill | 3 |
| Sam Whitelock | 3 |
| Ben Youngs | 3 |

#### Nationality changes between World Cups

The following players selected for a 2023 Rugby World Cup squad represented a different nation at a previous World Cup:
| Player | Nation at previous World Cup | Nation at current World Cup |
| Charlie Faumuina | New Zealand (2015) | Samoa (2023) |
| Malakai Fekitoa | New Zealand (2015) | Tonga (2023) |
| Adam Coleman | Australia (2019) | Tonga (2023) |
| Jack Dempsey | Australia (2019) | Scotland (2023) |
| Jean Kleyn | Ireland (2019) | South Africa (2023) |
| Christian Leali'ifano | Australia (2019) | Samoa (2023) |