Pool A
Ireland
Backs: Conor Murray, Luke McGrath, Johnny Sexton, Joey Carbery, Jack Carty, Bundee Aki, Robbie Henshaw, Garry Ringrose, Chris Farrell, Jacob Stockdale, Rob Kearney, Keith Earls, Jordan Larmour, Andrew Conway
Forwards: Rory Best (capt), Niall Scannell, Sean Cronin, Cian Healy, Dave Kilcoyne, Tadhg Furlong, John Ryan, Andrew Porter, James Ryan, Iain Henderson, Jean Kleyn, Tadhg Beirne, Peter O'Mahony, CJ Stander, Jack Conan, Josh van der Flier, Rhys Ruddock
Scotland
Backs: Darcy Graham, Chris Harris, Adam Hastings, Stuart Hogg, George Horne, Pete Horne, Sam Johnson, Blair Kinghorn, Greig Laidlaw, Sean Maitland, Ali Price, Finn Russell, Tommy Seymour, Duncan Taylor.
Forwards: John Barclay, Simon Berghan, Fraser Brown, Scott Cummings, Allan Dell, Zander Fagerson, Grant Gilchrist, Jonny Gray, Stuart McInally, Willem Nel, Gordon Reid, Jamie Ritchie, Blade Thomson, Ben Toolis, George Turner, Hamish Watson, Ryan Wilson.
Japan
Backs: Kaito Shigeno, Fumiaki Tanaka, Yutaka Nagare, Yu Tamura, Rikiya Matsuda, Kenki Fukuoka, Ataata Moeakiola, Lomano Lemeki, William Tupou, Ryoto Nakamura, Timothy Lafaele, Kotaro Matsushima, Ryohei Yamanaka.
Forwards: Michael Leitch (capt), Keita Inagaki, Yusuke Kizu, Jiwon Koo, Isileli Nakajima, Asaeli Valu, Takuya Kitade, Atsushi Sakate, Shota Horie, Luke Thompson, Wimpie van der Walt, Uwe Helu, James Moore, Hendrik Tui, Yoshitaka Tokunaga, Pieter Labuschagne, Kazuki Himeno, Amanaki Mafi.
Samoa
Backs: Ed Fidow, Tim Nanai-Williams, Ahsee Tuala, Belgium Tuatagaloa, Henry Taefu, Alapati Leiua, Reynold Lee-Lo, Kieron Fonotia, AJ Atatimu, Tusi Pisi, Ulupano Seuteni, Dwayne Polotaivao, Melani Matavao, Scott Malolua
Forwards: Afaesetiti Amosa, TJ Ioane, Jack Lam, Piula Fa'asalele, Josh Tyrell, Chris Vui (capt), Teofilo Paulo, Kane Leaupepe, Senio Toleafoa, Michael Alaalatoa, Paul Alo-Emile, James Lay, Jordan Lay, Logovi'i Mulipola, Motu Matu'u, Ray Niuia, Seilala Lam.
Russia
Backs: Vasily Artemyev (capt), Igor Galinovsky, Kirill Golosnitsky, Vasily Dorofeev, Yuri Kushnarev, German Davydov, Dmitry Perov, Vladislav Sozonov, Dmitry Gerasimov, Ramil Gaysin, Denis Simplikevich, Vladimir Ostroushko, Sergey Yanyushkin.
Forwards: Azamat Bitiev, Andrey Garbuzov, Kirill Gotovtsev, Victor Gresev, Bogdan Fedotko, Vitaliy Zhivatov, Evgeny Matveev, Andrey Polivalov, Vladimir Podrezov, Evgeny Yelgin, Stanislav Selsky, Nikita Vavilin, Sergey Chernyshev, Tagir Gadzhiev, Roman Khodin, Andrei Ostrikov, Valery Morozov, Anton Sychev.
Pool B
New Zealand
Backs: Beauden Barrett, Jordie Barrett, George Bridge, Ryan Crotty, Jack Goodhue, Rieko Ioane, Anton Lienert-Brown, Richie Mo'unga, TJ Perenara, Sevu Reece, Aaron Smith, Ben Smith, Brad Weber, Sonny Bill Williams
Forwards: Scott Barrett, Sam Cane, Dane Coles, Liam Coltman, Luke Jacobson, Nepo Laulala, Atu Moli, Joe Moody, Kieran Read (capt), Brodie Retallick, Ardie Savea, Angus Ta'avao, Codie Taylor, Matt Todd, Patrick Tuipulotu, Ofa Tuungafasi, Sam Whitelock
South Africa
Backs: Damian de Allende, Lukhanyo Am, Warrick Gelant, Elton Jantjies, Herschel Jantjies, Faf de Klerk, Cheslin Kolbe, Jesse Kriel, Makazole Mapimpi, Sbu Nkosi, Handre Pollard, Cobus Reinach, Willie le Roux, Frans Steyn
Forwards: Schalk Brits, Eben Etzebeth, Lood de Jager, Steven Kitshoff, Vincent Koch, Siya Kolisi (capt), Francois Louw, Frans Malherbe, Malcolm Marx, Bongi Mbonambi, Franco Mostert, Tendai Mtawarira, Trevor Nyakane, Kwagga Smith, RG Snyman, Pieter-Steph du Toit, Duane Vermeulen
Italy
Backs: Tommaso Allan, Mattia Bellini, Tommaso Benvenuti, Giulio Bisegni, Callum Braley, Michele Campagnaro, Carlo Canna, Jayden Hayward, Matteo Minozzi, Luca Morisi, Edoardo Padovani, Guglielmo Palazzani, Tito Tebaldi
Forwards: Luca Bigi, Dean Budd, Oliviero Fabiani, Simone Ferrari, Leonardo Ghiraldini, Andrea Lovotti, Maxime Mbanda, Sebastian Negri, Sergio Parisse (capt), Tiziano Pasquali, Jake Polledri, Nicola Quaglio, Marco Riccioni, Federico Ruzza, David Sisi, Abraham Steyn, Federico Zani, Alessandro Zanni
Namibia
Backs: Cliven Loubser, Helarius Kisting, Damian Stevens, Eugene Jantjies, Darryl de la Harpe, Johan Deysel (capt), Justin Newman, JC Greyling, Johann Tromp, Chad Plato, Lesley Klim, Janry du Toit, PJ Walters
Forwards: Andre Rademeyer, Nelius Theron, Desiderius Sethie, AJ de Klerk, Johannes Coetzee, Obert Nortje, Louis van der Westhuizen, Torsten van Jaarsveld, Tjiuee Uanivi, Johan Retief, Thomasau Forbes, Rohan Kitshoff, Max Katjijeko, Prince Gaoseb, Wian Conradie, PJ van Lill, Adriaan Booysen, Janco Venter.
Canada
Backs: Nick Blevins, Andrew Coe, Jeff Hassler, Ciaran Hearn, Ben LeSage, Phil Mack, Jamie Mackenzie, Gordon McRorie, Peter Nelson, Shane O'Leary, Patrick Parfrey, Taylor Paris, Conor Trainor, DTH van der Merwe
Forwards: Tyler Ardron (captain), Kyle Baillie, Justin Blanchet, Hubert Buydens, Luke Campbell, Matt Heaton, Eric Howard, Jake Ilnicki, Cole Keith, Conor Keys, Evan Olmstead, Benoit Piffero, Andrew Quattrin, Lucas Rumball, Djustice Sears-Duru, Mike Sheppard, Matthew Tierney
Pool C
England
Backs: Joe Cokanasiga, Elliot Daly, Owen Farrell (capt), George Ford, Piers Francis, Willi Heinz, Jonathan Joseph, Jonny May, Ruaridh McConnochie, Jack Nowell, Henry Slade, Manu Tuilagi, Anthony Watson, Ben Youngs
Forwards: Dan Cole, Luke Cowan-Dickie, Tom Curry, Ellis Genge, Jamie George, Maro Itoje, George Kruis, Joe Launchbury, Courtney Lawes, Lewis Ludlam, Joe Marler, Kyle Sinckler, Jack Singleton, Sam Underhill, Billy Vunipola, Mako Vunipola, Mark Wilson
France
Backs: Antoine Dupont, Gael Fickou, Wesley Fofana, Sofiane Guitoune, Yoann Huget, Camille Lopez, Maxime Machenaud, Maxime Medard, Romain Ntamack, Damian Penaud, Alivereti Raka, Thomas Ramos, Baptiste Serin, Virimi Vakatawa.
Forwards: Guilhem Guirado (capt), Gregory Alldritt, Cyril Baille, Demba Bamba, Yacouba Camara, Camille Chat, Paul Gabrillagues, Arthur Iturria, Wenceslas Lauret, Bernard Le Roux, Peato Mauvaka, Charles Ollivon, Louis Picamoles, Jefferson Poirot, Emerick Setiano, Rabah Slimani, Sebastien Vahaamahina.
Argentina
Backs: Emiliano Boffelli, Santiago Carreras, Juan Cruz Mallia, Tomas Cubelli, Jeronimo De La Fuente, Bautista Delguy, Felipe Ezcurra, Lucas Mensa, Matias Moroni, Ramiro Moyano, Matias Orlando, Nicolas Sanchez, Joaquin Tuculet, Benjamin Urdapilleta
Forwards: Matias Alemanno, Rodrigo Bruni, Agustin Creevy, Juan Figallo, Marcos Kremer, Tomas Lavanini, Juan Manuel Leguizamon, Tomas Lezana, Pablo Matera (capt), Santiago Medrano, Julian Montoya, Javier Ortega Desio, Guido Petti, Enrique Pieretto, Santiago Socino, Nahuel Tetaz Chaparro, Mayco Vivas
USA - TBC
Tonga
Backs: Sonatane Takulua, Leon 'Fukofuka, Samisoni Fisilau, Kurt Morath, James 'Faiva, Siale Piutau (capt), Malietoa Hingano, Nafi Tuitavake, Atieli Pakalani, David Halaifonua, Viliami Lolohea, Cooper Vuna, Telusa Veainu
Forwards: Siegfried 'Fisiihoi, Vunipola Fifita, Latu 'Talakai, Paula 'Ngauamo, Sosefo 'Sakalia, Siua Maile, Siua 'Halanukonuka, Ma'afu Fia, Ben Tameifuna, Sam Lousi, Leva Fifita, Sitiveni Mafi, Sione Kalamafoni, Maama 'Vaipulu, Fotu 'Lokotui, Zane 'Kapeli, Dan Faleafa, Nasi Manu
Pool D
Wales
Backs: Josh Adams, Hallam Amos, Dan Biggar, Aled Davies, Gareth Davies, Jonathan Davies, Leigh Halfpenny, George North, Hadleigh Parkes, Rhys Patchell, Owen Watkin, Tomos Williams, Liam Williams
Forwards: Jake Ball, Adam Beard, Rhys Carre, James Davies, Elliot Dee, Ryan Elias, Tomas Francis, Cory Hill, Alun Wyn Jones (capt), Wyn Jones, Dillon Lewis, Ross Moriarty, Josh Navidi, Ken Owens, Aaron Shingler, Nicky Smith, Justin Tipuric, Aaron Wainwright
Australia
Backs: Adam Ashley-Cooper, Kurtley Beale, Bernard Foley, Will Genia, Dane Haylett-Petty, Reece Hodge, Samu Kerevi, Marika Koroibete, Tevita Kuridrani, Christian Lealiifano, James O'Connor, Jordan Petaia, Matt To'omua, Nic White
Forwards: Allan Alaalatoa, Rory Arnold, Adam Coleman, Jack Dempsey, Folau Fainga'a, Michael Hooper (capt), Sekope Kepu, Tolu Latu, Isi Naisarani, David Pocock, Izack Rodda, Lukhan Salakaia-Loto, Rob Simmons, Scott Sio, James Slipper, Taniela Tupou, Jordan Uelese
Fiji
Backs: Frank Lomani, Nikola Matawalu, Henry Seniloli, Levani Botia, Jale Vatubua, Ben Volavola, Vereniki Goneva, Filipo Nakosi, Waisea Nayacalevu, Semi Radradra, Josua Tuisova, Joshua Matavesi, Alivereti Veitokani, Kini Murimurivalu
Forwards: Campese Ma'afu, Eroni Mawi, Peni Ravai, Manasa Saulo, Kalivati Tawake, Mesulame Dolokoto, Samuel Matavesi, Ratu Veremalua Vugakoto, Tevita Cavubati, Leone Nakarawa, Apisalome Ratuniyarawa, Tevita Ratuva, Semi Kunatani, Viliame Mata, Mosese Voka, Dominiko Waqaniburotu (capt), Peceli Yato
Georgia
Backs: Sandro Todua, Soso Matiashvili, Mirian Modebadze, Zurab Dzneladze, Davit Katcharava, Merab Sharikadze (capt), Tamaz Mtchedlidze, Giorgi Kveseladze, Lasha Malaghuradze, Lasha Khmaladze, Tedo Abzhandadze, Giorgi Begadze, Vasil Lobzhanidze, Gela Aprasidze.
Forwards: Mikheil Nariashvili, Guram Gogichashvili, Shalva Mamukashvili, Jaba Bregvadze, Vano Karkadze, Levan Chilachava, Giorgi Melikidze, Beka Gigashvili, Giorgi Nemsadze, Shalva Sutiashvili, Mamuka Gorgodze, Kote Mikautadze, Giorgi Tkhilaishvili, Lasha Lomidze, Otar Giorgadze, Beka Gorgadze, Beka Saghinadze
Uruguay
Backs: Santiago Arata, Felipe Berchesi, Juan Manuel Cat, Agustín Della Corte, Felipe Etcheverry, Federico Favaro, Nicolás Freitas, Tomás Inciarte, Leandro Leivas, Gastón Mieres, Agustín Ormaechea, Rodrigo Silva, Santiago Vilaseca
Forwards: Diego Arbelo, Manuel Ardao, Santiago Civetta, Manuel Diana, Ignacio Dotti, Juan Echeverría, Juan Manuel Gaminara (capt), Facundo Gattas, Joaquín Jaunsolo, Germán Kessler, Franco Lamana, Manuel Leindekar, Diego Magno, Alejandro Nieto, Juan Diego Ormaechea, Guillermo Pujadas, Juan Pedro Rombys, Mateo Sanguinetti