Highest margin of victory in rugby union Heineken Cup final
- Who
- Leinster
- Where
- United Kingdom (Twickenham,)
- When
- 12 May 2012
The highest margin of victory in rugby union Heineken Cup finals history is 28 points, by Leinster (Ireland) when they beat Ulster (UK) 42-14 at Twickenham, UK on 19 May, 2012.
Leinster also scored the record number of points, 42 and the record number of tries, five in the match.