2012–13 Heineken Cup pool stage

The 2012–13 Heineken Cup pool stage was the first stage of the 18th season of the Heineken Cup, Europe's top competition for rugby union clubs. It involved 24 teams competing for eight quarter-final berths, awarded to the winners of each of six pools plus the two top-ranked second-place teams. The next three best runners-up were parachuted into the Amlin Challenge Cup.

2012–13 Heineken Cup pool stage

The 2012–13 Heineken Cup pool stage was the first stage of the 18th season of the Heineken Cup, Europe's top competition for rugby union clubs. It involved 24 teams competing for eight quarter-final berths, awarded to the winners of each of six pools plus the two top-ranked second-place teams. The next three best runners-up were parachuted into the Amlin Challenge Cup.