Group A of the men's football tournament at the 2012 Summer Olympics took place from 26 July to 1 August 2012 in Cardiff's Millennium Stadium, Coventry's City of Coventry Stadium, London's Wembley Stadium and Manchester's Old Trafford.
[1] The group contained host nation Great Britain, Senegal, United Arab Emirates and Uruguay.
[2] In the quarter-finals,[3] Assistant referees: Jan-Hendrik Hintz (New Zealand) Ravinesh Kumar (New Zealand) Fourth official: Felix Brych (Germany) Assistant referees: Abdukhamidullo Rasulov (Uzbekistan) Bakhadyr Kochkarov (Kyrgyzstan) Fourth official: Ben Williams (Australia) Assistant referees: Mark Borsch (Germany) Stefan Lupp (Germany) Fourth official: Peter O'Leary (New Zealand) Assistant referees: José Luis Camargo (Mexico) Alberto Morín (Mexico) Fourth official: Mark Geiger (United States) Assistant referees: Kim Haglund (Norway) Frank Andas (Norway) Fourth official: Juan Soto (Venezuela) Assistant referees: Toru Sagara (Japan) Toshiyuki Nagi (Japan) Fourth official: Peter O'Leary (New Zealand)