Largest attendance at a Rugby Union Heineken Cup final
- Who
- 2012 Heineken Cup Final
- What
- 81774 people
- Where
- United Kingdom (Twickenham,)
- When
- 19 May 2012
The highest attendance for the rugby union Heineken Cup final match is 81,774 at Twickenham, UK for the game between Leinster (Ireland) and Ulster (UK) on 19 May 2012.