Referee: Ivan Bebek (CRO, photo)
Assistant Referee 1: Tomislav Petrovic (CRO)
Assistant Referee 2: Miro Grgic (CRO)
Additional AR 1: Domagoj Vuckov (CRO)
Additional AR 2: Goran Gabrilo (CRO)
Fourth Official: Andrej Burilo (CRO)
Zurich – Vaslui
Referee: Maksim Layushkin (RUS)Assistant Referee 1: Tomislav Petrovic (CRO)
Assistant Referee 2: Miro Grgic (CRO)
Additional AR 1: Domagoj Vuckov (CRO)
Additional AR 2: Goran Gabrilo (CRO)
Fourth Official: Andrej Burilo (CRO)
Zurich – Vaslui
Assistant Referee 1: Oleg Tselovalnikov (RUS)
Assistant Referee 2: Anton Averianov (RUS)
Additional AR 1: Sergei Karasev (RUS)
Additional AR 2: Vladimir Kazmenko (RUS)
Fourth Official: Eduard Maliy (RUS)
Lazio – Sporting
Referee: Michael Dean (ENG)
Assistant Referee 1: Stuart Burt (ENG)
Assistant Referee 2: Adam Watts (ENG)
Additional AR 1: Michael Oliver (ENG)
Additional AR 2: Lee Mason (ENG)
Fourth Official: Lee Probert (ENG)
Dynamo Kyiv – Maccabi Tel Aviv
Referee: Daniel Stalhammar (SWE)
Assistant Referee 1: Peter Martinsson (SWE)
Assistant Referee 2: Joakim Flink (SWE)
Additional AR 1: Michael Lerjeus (SWE)
Additional AR 2: Bojan Pandzic (SWE)
Fourth Official: Martin Hansson (SWE)
Besiktas – Stoke
Referee: Marcin Borski (POL)
Assistant Referee 1: Rafal Rostkowski (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Additional AR 1: Dawid Piasecki (POL)
Additional AR 2: Daniel Stefanski (POL)
Fourth Official: Tomasz Garbowski (POL)
Slovan – Salzburg
Referee: Stefan Johannesson (SWE)
Assistant Referee 1: Henrik Andren (SWE)
Assistant Referee 2: Daniel Warnmark (SWE)
Additional AR 1: Martin Strombergsson (SWE)
Additional AR 2: Tobias Mattsson (SWE)
Fourth Official: Johan Hamlin (SWE)
PSG – Athletic
Referee: Matej Jug (SVN)
Assistant Referee 1: Matej Zunic (SVN)
Assistant Referee 2: Milan Kogej (SVN)
Additional AR 1: Slavko Vincic (SVN)
Additional AR 2: Davor Drecnik (SVN)
Fourth Official: Mitja Zganec (SVN)
Maccabi Haifa – Schalke
Referee: Fredy Fautrel (FRA)
Assistant Referee 1: Emmanuel Boisdenghien (FRA)
Assistant Referee 2: Fredji Harchay (FRA)
Additional AR 1: Olivier Thual (FRA)
Additional AR 2: Ruddy Buquet (FRA)
Fourth Official: Sebastien Moreira (FRA)
Steaua – AEK Larnaca
Referee: Said Ennjimi (FRA)
Assistant Referee 1: Frederic Cano (FRA)
Assistant Referee 2: Eric Dansault (FRA)
Additional AR 1: Wilfried Bien (FRA)
Additional AR 2: Nicolas Rainville (FRA)
Fourth Official: Bartolomeu Varela (FRA)
Wisla – Twente
Referee: Vladislav Bezborodov (RUS)
Assistant Referee 1: Nikolai Golubev (RUS)
Assistant Referee 2: Viacheslav Semenov (RUS)
Additional AR 1: Aleksei Eskov (RUS)
Additional AR 2: Stanislav Sukhina (RUS)
Fourth Official: Vitali Meshkov (RUS)
Fulham – Odense
Referee: Alon Yefet (ISR)
Assistant Referee 1: Shabtai Nahmias (ISR)
Assistant Referee 2: Amihay Mozes (ISR)
Additional AR 1: Eli Hacmon (ISR)
Additional AR 2: Eitan Tabrizi (ISR)
Fourth Official: Liran Wachsberger (ISR)
Sturm – AEK
Referee: Alexandru Deaconu (ROU)
Assistant Referee 1: Adrian Vidan (ROU)
Assistant Referee 2: Radu Ghinguleac (ROU)
Additional AR 1: Cristian Balaj (ROU)
Additional AR 2: Augustus Constantin (ROU)
Fourth Official: Sebastian Coltescu (ROU)
15 December 2011
PAOK – Rubin
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Roberto Romagnoli (ITA)
Additional AR 1: Gabriele Gava (ITA)
Additional AR 2: Christian Brighi (ITA)
Fourth Official: Carmine Russo (ITA)
Shamrock – Tottenham
Referee: Stephan Studer (SUI)
Assistant Referee 1: Manuel Navarro (SUI)
Assistant Referee 2: Sandro Pozzi (SUI)
Additional AR 1: Alain Bieri (SUI)
Additional AR 2: Nikolaj Hanni (SUI)
Fourth Official: Ludovic Gremaud (SUI)
Hannover – Vorksla
Referee: Leontios Trattou (CYP)
Assistant Referee 1: Michael Soteriou (CYP)
Assistant Referee 2: Charalambos Charalambous (CYP)
Additional AR 1: Marios Panayi (CYP)
Additional AR 2: Marios Stamatis (CYP)
Fourth Official: Charalambos Skapoullis (CYP)
Kobenhavn – Standard
Referee: Huseyin Gocek (TUR)
Assistant Referee 1: Emre Eyisoy (TUR)
Assistant Referee 2: Orkun Aktas (TUR)
Additional AR 1: Suleyman Abay (TUR)
Additional AR 2: Ozgur Yankaya (TUR)
Fourth Official: Mete Kalkavan (TUR)
Hapoel Tel Aviv – Legia
Referee: Thomas Einwaller (AUT)
Assistant Referee 1: Norbert Schwab (AUT)
Assistant Referee 2: Armin Eder (AUT)
Additional AR 1: Harald Lechner (AUT)
Additional AR 2: Rene Eisner (AUT)
Fourth Official: Gerhard Grobelnik (AUT)
PSV – Rapid
Referee: Simon Lee Evans (WAL)
Assistant Referee 1: Edward King (WAL)
Assistant Referee 2: Philip Thomas (WAL)
Additional AR 1: Dean John (WAL)
Additional AR 2: Kevin Morgan (WAL)
Fourth Official: Mark Whitby (WAL)
Udinese – Celtic
Referee: Michael Koukoulakis (GRE)
Assistant Referee 1: Dimitrios Saraidaris (GRE)
Assistant Referee 2: Leonidas Vasileiadis (GRE)
Additional AR 1: Anastasios Kakos (GRE)
Additional AR 2: Stavros Tritsonis (GRE)
Fourth Official: Ilias Spathas (GRE)
Alkmaar – Metalist
Referee: Carlos Clos Gomez (ESP)
Assistant Referee 1: Javier Aguilar Rodriguez (ESP)
Assistant Referee 2: Luis Marco Martinez (ESP)
Additional AR 1: David Fernandez Borbalan (ESP)
Additional AR 2: Jose Paradas Romero (ESP)
Fourth Official: Carlos Del Cerro Grande (ESP)
Austria Vienna – Malmo
Referee: Antti Munukka (FIN)
Assistant Referee 1: Matti Heininen (FIN)
Assistant Referee 2: Jan-Peter Aravirta (FIN)
Additional AR 1: Mattias Gestranius (FIN)
Additional AR 2: Dennis Antamo (FIN)
Fourth Official: Petteri Kari (FIN)
FC Brugge – Braga
Referee: Aleksandar Stavrev (MKD)
Assistant Referee 1: Ljubomir Krstevski (MKD)
Assistant Referee 2: Marjan Kirovski (MKD)
Additional AR 1: Dimitar Meckarovski (MKD)
Additional AR 2: Goran Spirkoski (MKD)
Fourth Official: Dejan Jakimovski (MKD)
Birmingham – Maribor
Referee: Sascha Kever (SUI)
Assistant Referee 1: Matthias Arnet (SUI)
Assistant Referee 2: Francesco Buragina (SUI)
Additional AR 1: Cyril Zimmermann (SUI)
Additional AR 2: Daniel Wermelinger (SUI)
Fourth Official: Stephan Klossner (SUI)
Atletico – Rennes
Referee: Kristinn Jakobsson (ISL)
Assistant Referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Gunnar Gunnarsson (ISL)
Additional AR 1: Magnus Thorisson (ISL)
Additional AR 2: Thoroddur Hjaltalin (ISL)
Fourth Official: Erlendur Eiriksson (ISL)