The list is made up of three goalkeepers, nine defenders, ten midfielders and three forwards.
United will kick off their Champions League campaign in two weeks against Switzerland side, Young Boys.
Below is Man United’s Champions League squad:
GK: David De Gea, Lee Grant, Sergio Romero
Defense: Victor Lindelof, Eric Bailly, Phil Jones, Chris Smalling, Marcos Rojo, Diogo Dalot, Luke Shaw, Antonio Valencia, Matteo Darmian
Midfielders: Paul Pogba, Juan Mata, Jesse Lingard, Andreas Pereira, Fred, Ashley Young, Ander Herrera, Marouane Fellaini, Nemanja Matic, Scott McTominay
Forwards: Alexis Sanchez, Romelu Lukaku, Anthony Martial.