The 2006–07 Heineken Cup pool stage was played from October 2006 through to January 2007. The top team in each group qualified for the quarter-finals automatically as seeds 1–6, while the two remaining spots in the quarter-finals were filled by the two runners-up with the greatest points totals.
All times are local to the game site.
Key to colours
Winner of each pool, plus two highest-ranked second-place teams, advance to quarter-finals. Seed # in parentheses
London Wasps earned the third seed over Leicester Tigers on the first possible tiebreaker, scoring 23 tries in pool play to Leicester's 22.[citation needed]
Llanelli Scarlets become only the fifth team in the history of the Heineken Cup to win all their pool matches (after Wasps in 1997–98, Bath in 2000–01, and Leinster in both 2002–03 and 2004–05).[citation needed] They also set a record for most points earned in pool play since the competition adopted a bonus-point system in 2003–04.[citation needed] This record would be broken about two hours later by Biarritz.[citation needed]
Biarritz failed in their effort to become the first club since the Heineken Cup adopted the bonus-point system in 2003–04 to score bonus-point wins in all their pool matches, but did become the sixth team to win all their pool matches.[citation needed]