Designazioni per le semifinali di ritorno, 18 maggio 2023.
21:00 CET - Seville (Estadio Ramón Sánchez-Pizjuán)
Sevilla FC (ESP) - Juventus (ITA)
Referee: Danny Makkelie (NED)
Assistant Referee 1: Hessel Steegstra (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Srdjan Jovanović (SRB)
Video Assistant Referee: Pol van Boekel (NED)
Assistant Video Assistant Referee: Rob Dieperink (NED)
UEFA Referee Observer: Alexandru Deaconu (ROU)
UEFA Delegate: Bert Andersson (SWE)
21:00 CET - Leverkusen (BayArena)
Bayer 04 Leverkusen (GER) - AS Roma (ITA)
Referee: Slavko Vinčić (SVN)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Irfan Peljto (BIH)
Video Assistant Referee: Nejc Kajtazovič (SVN)
Assistant Video Assistant Referee: Matej Jug (SVN)
UEFA Referee Observer: Michael Riley (ENG)
UEFA Delegate: Peter Lundström (FIN)