5 December 2017
Bayern München – Paris St. Germain
Referee: Manuel Schüttengruber (AUT, photo)
Assistant Referee 1: Andreas Rothmann (AUT)
Assistant Referee 2: Stefan Stangl (AUT)
Fourth Official: Robert Kempter (GER)
Referee Observer: Helmut Fleischer (GER)
SL Benfica – FC Basel
Referee: Marco Guida (ITA)
Assistant Referee 1: Alessandro Lo Cicero (ITA)
Assistant Referee 2: Stefano Alassio (ITA)
Fourth Official: Rui Piteira Rodrigues (POR)
Referee Observer: António Almeida Costa (POR)
Manchester United – CSKA Moskva
Referee: Robert Hennessy (IRL)
Assistant Referee 1: Wayne McDonnell (IRL)
Assistant Referee 2: Allen Lynch (IRL)
Fourth Official: Anthony Backhouse (ENG)
Referee Observer: William Young (SCO)
Celtic – Anderlecht
Referee: Keith Kennedy (NIR)
Assistant Referee 1: Andrew Nethery (NIR)
Assistant Referee 2: Ryan Kelsey (NIR)
Fourth Official: David Munro (SCO)
Referee Observer: Stephen Lodge (ENG)
AS Roma – Qarabağ FK
Referee: Tihomir Pejin (CRO)
Assistant Referee 1: Goran Pataki (CRO)
Assistant Referee 2: Marjan Tomas (CRO)
Fourth Official: Daniele Martinelli (ITA)
Referee Observer: Domenico Messina (ITA)
Chelsea – Atlético de Madrid
Referee: Jens Maae (DEN)
Assistant Referee 1: Elvis Boric (DEN)
Assistant Referee 2: Victor Skytte (DEN)
Fourth Official: John Busby (ENG)
Referee Observer: Peter Jones (ENG)
FC Barcelona – Sporting
Referee: Marius Avram (ROU)
Assistant Referee 1: Valentin Avram (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: David Medié Jiménez (ESP)
Referee Observer: Juan Fernández Marín (ESP)
Olympiakos – Juventus
Referee: Ádám Farkas (HUN)
Assistant Referee 1: Péter Kóbor (HUN)
Assistant Referee 2: Balázs Szert (HUN)
Fourth Official: Evángelos Manoúchos (GRE)
Referee Observer: Geórgios Bíkas (GRE)
6 December 2017
NK Maribor – Sevilla FC
Referee: Peter Královič (SVK)
Assistant Referee 1: Miroslav Benko (SVK)
Assistant Referee 2: Tomáš Mókoš (SVK)
Fourth Official: Marko Lackovič (SVN)
Referee Observer: Drago Kos (SVN)
Liverpool – Spartak Moskva
Referee: Mohammed Al-Hakim (SWE)
Assistant Referee 1: Daniel Gustavsson (SWE)
Assistant Referee 2: Fredrik Klyver (SWE)
Fourth Official: Scott Oldham (ENG)
Referee Observer: John Ferry (NIR)
Shakhtar Donetsk – Manchester City
Referee: Daniyar Sakhi (KAZ)
Assistant Referee 1: Aleksandr Pavlov (KAZ)
Assistant Referee 2: Aydyn Tasybayev (KAZ)
Fourth Official: Vitaliy Romanov (UKR)
Referee Observer: Volodymyr Petrov (UKR)
Feyenoord – Napoli
Referee: Bartosz Frankowski (POL)
Assistant Referee 1: Jakub Winkler (POL)
Assistant Referee 2: Bartosz Heinig (POL)
Fourth Official: Siemen Mulder (NED)
Referee Observer: Johan Verbist (BEL)
FC Porto – AS Monaco
Referee: José Sánchez Martínez (ESP)
Assistant Referee 1: Javier Aguilar Rodríguez (ESP)
Assistant Referee 2: José Gallego García (ESP)
Fourth Official: João Borlido de Matos (POR)
Referee Observer: Salustià Chato Ciprés (AND)
RB Leipzig – Beşiktaş
Referee: Manfredas Lukjančukas (LTU)
Assistant Referee 1: Mantas Lešinskas (LTU)
Assistant Referee 2: Mangirdas Mirauskas (LTU)
Fourth Official: Christof Günsch (GER)
Referee Observer: Edgar Steinborn (GER)
Tottenham Hotspur – Apoel
Referee: Erik Lambrechts (BEL)
Assistant Referee 1: Karel De Rocker (BEL)
Assistant Referee 2: Thibaud Nijssen (BEL)
Fourth Official: John Brooks (ENG)
Referee Observer: Edward Foley (IRL)
Real Madrid – Borussia Dortmund
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Martin Venev (BUL)
Fourth Official: Valentín Pizarro Gómez (ESP)
Referee Observer: Manuel Mejuto González (ESP)