AFC Ajax – Bayern München
Referee: Cheryl Foster WAL (photo)
Assistant Referee 1: Ceri Williams WAL
Assistant Referee 2: Victoria Finlay NIR
Fourth Official: Rebecca Welch ENG
Referee Observer: Sandra Renon FRA
AS Roma – Paris St. Germain
Referee: Ivana Martinčić CRO
Assistant Referee 1: Sanja Rodjak-Karšić CRO
Assistant Referee 2: Maja Petravić CRO
Fourth Official: Sabina Bolić CRO
Referee Observer: Rhona Daly IRL
BK Häcken – Chelsea FCW
Referee: Ewa Augustyn POL
Assistant Referee 1: Paulina Baranowska POL
Assistant Referee 2: Aleksandra Ulanowska POL
Fourth Official: Monika Mularczyk POL
Referee Observer: Sofia Karagiorgi CYP
Real Madrid – Paris FC
Referee: Alina Peşu ROU
Assistant Referee 1: Daniela Constantinescu ROU
Assistant Referee 2: Mihaela Tepusa ROU
Fourth Official: Cristina Trandafir ROU
Referee Observer: Carina Vitulano ITA
21 December 2023
Eintracht Frankfurt – SL Benfica
Referee: Frida Klarlund DEN
Assistant Referee 1: Katrine Wulff DEN
Assistant Referee 2: Amina Gutschi AUT
Fourth Official: Nanna Andersen DEN
Referee Observer: Katarzyna Wierzbowska POL
SK Brann – Olympique Lyonnais
Referee: Volha Blotskaya BLR
Assistant Referee 1: Anastasiya Danchenko BLR
Assistant Referee 2: Nargis Magau KAZ
Fourth Official: Elvira Nurmustafina KAZ
Referee Observer: Silvia Spinelli ITA
FC Barcelona – FC Rosengard
Referee: Eleni Antoniou GRE
Assistant Referee 1: Georgia Komisopoulou GRE
Assistant Referee 2: Zoi Papadopoulou GRE
Fourth Official: Eirini Pingiou GRE
Referee Observer: Aneliya Sinabova BUL
Slavia Praha – Sankt Pölten
Referee: Cheryl Foster WAL (photo)
Assistant Referee 1: Ceri Williams WAL
Assistant Referee 2: Victoria Finlay NIR
Fourth Official: Rebecca Welch ENG
Referee Observer: Sandra Renon FRA
AS Roma – Paris St. Germain
Referee: Ivana Martinčić CRO
Assistant Referee 1: Sanja Rodjak-Karšić CRO
Assistant Referee 2: Maja Petravić CRO
Fourth Official: Sabina Bolić CRO
Referee Observer: Rhona Daly IRL
BK Häcken – Chelsea FCW
Referee: Ewa Augustyn POL
Assistant Referee 1: Paulina Baranowska POL
Assistant Referee 2: Aleksandra Ulanowska POL
Fourth Official: Monika Mularczyk POL
Referee Observer: Sofia Karagiorgi CYP
Real Madrid – Paris FC
Referee: Alina Peşu ROU
Assistant Referee 1: Daniela Constantinescu ROU
Assistant Referee 2: Mihaela Tepusa ROU
Fourth Official: Cristina Trandafir ROU
Referee Observer: Carina Vitulano ITA
21 December 2023
Eintracht Frankfurt – SL Benfica
Referee: Frida Klarlund DEN
Assistant Referee 1: Katrine Wulff DEN
Assistant Referee 2: Amina Gutschi AUT
Fourth Official: Nanna Andersen DEN
Referee Observer: Katarzyna Wierzbowska POL
SK Brann – Olympique Lyonnais
Referee: Volha Blotskaya BLR
Assistant Referee 1: Anastasiya Danchenko BLR
Assistant Referee 2: Nargis Magau KAZ
Fourth Official: Elvira Nurmustafina KAZ
Referee Observer: Silvia Spinelli ITA
FC Barcelona – FC Rosengard
Referee: Eleni Antoniou GRE
Assistant Referee 1: Georgia Komisopoulou GRE
Assistant Referee 2: Zoi Papadopoulou GRE
Fourth Official: Eirini Pingiou GRE
Referee Observer: Aneliya Sinabova BUL
Slavia Praha – Sankt Pölten
Referee: Ivana Projkovska MKD
Assistant Referee 1: Vjolca Izeiri MKD
Assistant Referee 2: Ainhoa Fernandez AND
Fourth Official: Irena Velevačkoska MKD
Referee Observer: Anri Hänninen FIN
Assistant Referee 1: Vjolca Izeiri MKD
Assistant Referee 2: Ainhoa Fernandez AND
Fourth Official: Irena Velevačkoska MKD
Referee Observer: Anri Hänninen FIN