The referee for the Liverpool vs Paris Saint-Germain match is from Romania.

Barcelona vs Benfica

Main Referee: Letexier (France)

Assistant Referees: Minier (France), Rahmouni (France)

VAR Referee: Brisard (France)

VAR Assistant Referee: Delarue (France)

Fourth Official: Frappart (France)

Inter Milan vs Feyenoord

Main Referee: Ivan Kržľiak (Slovakia)

Assistant Referees: Branislav Hanzel (Slovakia), Ján Pisoň (Slovakia)

Fourth Official: Peter Kralovič (Slovakia)

VAR Assistant Referee: Christian Dingert (Germany)

VAR Video Assistant Referee: Benjamin Brand (Germany)

Liverpool vs Paris Saint-Germain

Main Referee: Istvan Kovacs (Romania)

Assistant Referees: Mihai Marica (Romania), Ferenc Túnioghy (Romania)

Fourth Official: Horatiu Fesnic (Romania)

VAR Referee: Bastian Dankert (Germany)

VAR Assistant Referee: Tomasz Kwiatkowski (Poland)

Bayer Leverkusen VS Bayern Munich

Main Referee: Slavko Vinčić (Slovenia)

Assistant Referees: Krančnik (Slovenia), Andraž Kovačič (Slovenia)

VAR Referee: Borosak (Slovenia)

VAR Assistant Referee: Drijverink (Netherlands)

Fourth Official: Jug (Slovenia)