Berikut daftar skuad tim-tim yang akan berlaga di Liga Champions (Tandang * adalah pemain yang berada di tim B):
Grup A
1. Manchester City (Inggris):
Penjaga gawang: Zack Steffen, Ederson, Scott Carson
Bek: Kyle Walker, Ruben Dias, John Stones, Nathan Ake, Oleksandr Zinchenko, Aymeric Laporte, Joao Cancelo
Gelandang: Ilkay Gundogan, Jack Grealish, Rodri, Kevin De Bruyne, Bernardo Silva, Fernandinho, Riyad Mahrez, Phil Foden*, Romeo Lavia
Penyerang: Raheem Sterling, Gabriel Jesus, Ferran Torres
2. PSG (Prancis):
Penjaga gawang: Keylor Navas, Denis Franchi*, Gianluigi Donnarumma, Alexandre Letellier
Bek: Achraf Hakimi, Presnel Kimpembe, Sergio Ramos, Marquinhos, Colin Dagba, Layvin Kurzawa, Abdou Diallo, Thilo Kehrer, Nuno Mendes, El-Chadaille Bitshiabu*, Teddy Alloh*, Nehemiah Fernandez Veliz*
Gelandang: Marco Verratti, Leandro Paredes, Danilo, Georginio Wijnaldum, Ander Herrera, Idrissa Gueye, Éric Ebimbe, Xavi Simons*, Ismael Gharbi*, Edouard Michut*, Nathan Bitumazala*
Penyerang: Kylian Mbappé, Mauro Icardi, Neymar, Ángel Di María, Julian Draxler, Lionel Messi
3. RB Leipzig (Jerman):
Penjaga gawang: Péter Gulácsi, Josep Martinez
Bek: Mohamed Simakan, Angeliño, Willi Orbán, Ben Klefisch, Lukas Klostermann, Nordi Mukiele, Marcel Halstenberg, Joško Gvardiol, Benjamin Henrichs
Gelandang: Amadou Haidara, Tyler Adams, Dominik Szoboszlai, Christopher Nkunku, Ilaix Moriba, Konrad Laimer, Kevin Kampl, Joscha Wosz
Penyerang: Yussuf Poulsen, Emil Forsberg, Brian Brobbey, Dani Olmo, André Silva
4. Club Brugge (Belgia):
Penjaga gawang: Simon Mignolet, Senne Lammens
Bek: Jack Hendry, Faitout Maouassa, Clinton Mata, Noah Mbamba, Brandon Mechele, Stanley Nsoki, Federico Ricca, Eduard Sobol, Ignace Van Der Brempt
Gelandang: Éder Balanta, Ebeguowen Otasowie, Tibo Persyn, Mats Rits, Hans Vanaken, Ruud Vormer
Penyerang: Charles De Ketelaere, Bas Dost, José Izquierdo, Noa Lang, Antonio Nusa, Daniel Pérez, Kamal Sowah, Wesley
Grup B:
1. Atletico Madrid (Spanyol):
Penjaga gawang: Benjamin Lecomte, Jan Oblak
Bek: Sergio Camus, Felipe, José María Giménez, Fran González, Mario Hermoso, Renan Lodi, Stefan Savi, Kieran Trippier, Šime Vrsaljko
Gelandang: Rodrigo De Paul, Héctor Herrera, Geoffrey Kondogbia, Thomas Lemar, Marcos Llorente, Koke
Penyerang: Ángel Correa, João Félix, Yannick Carrasco, Antoine Griezmann, Matheus Cunha, Luis Suárez
2. Liverpool (Inggris):
Penjaga gawang: Alisson Becker, Adrián, Caoimhin Kelleher
Bek: Virgil van Dijk, Ibrahima Konaté, Joe Gomez, Kostas Tsimikas, Andy Robertson, Joël Matip, Nathaniel Phillips, Trent Alexander-Arnold
Gelandang: Fabinho, Thiago Alcántara, James Milner, Naby Keïta, Roberto Firmino, Sadio Mané, Jordan Henderson, Alex Oxlade-Chamberlain
Penyerang: Mohamed Salah, Takumi Minamino, Diogo Jota, Divock Origi, Harvey Elliott
3. FC Porto (Portugal)
Penjaga gawang: Agustín Marchesín, Cláudio Ramos, Diogo Costa, Francisco Meixedo*
Bek: Fábio Cardoso, Wilson Manafá, Chancel Mbemba, Iván Marcano, Nanu, Pepe, Wendell, Zaidu
Gelandang: Bruno Costa, Marko Gruji, Otávio, Sérgio Oliveira, Matheus Uribe, Fábio Vieira*, Vitinha*
Penyerang: Jesús Corona, Evanilson, Luis Díaz, Toni Martínez, Pepê, Mehdi Taremi, Francisco Conceição*, João Mário*
4. AC Milan (Italia):
Penjaga gawang: Mike Maignan, Ciprian Ttruanu, Sebastiano Desplanches*, Andreas Jungdal*, Alessandro Plizzari*
Bek: Tiémoué Bakayoko, Fodé Ballo, Davide Calabria, Alessandro Florenzi, Matteo Gabbia, Theo Hernández, Pierre Kalulu, Simon Kjær, Alessio Romagnoli, Fikayo Tomori, Luca Stanga*
Gelandang: Brahim Diaz, Ismaël Bennacer, Franck Kessie, Rade Kruni, Alexis Saelemaekers, Sandro Tonali, Andrea Capone*, Enrico Di Gesu*, Giovanni Robotti*
Penyerang: Rafael Leão, Olivier Giroud, Zlatan Ibrahimovi, Junior Messias, Ante Rebi, Daniel Maldini*
Berikutnya, daftar pemain tim di Grup C dan D
