Nigel Owens will referee the inaugural European Champions Cup final between Clermont and Toulon at Twickenham.
The Welshman will oversee Europe's showcase final for the fourth time, a record, while Jérôme Garcès will take charge of the Challenge Cup final between Edinburgh and Gloucester.
Owens will be assisted by Wayne Barnes and George Clancy, having previously officiated the 2008, 2009 and 2012 finals.
Champions Cup final
ASM Clermont Auvergne v RC Toulon
Date: Saturday, May 2
Venue: Twickenham Stadium, London
Kick-off: 18:00 BST
Referee: Nigel Owens (Wales)
Assistant referees: Wayne Barnes (Eng), George Clancy (Ire)
TMO: Graham Hughes (Eng)
Challenge Cup final
Edinburgh Rugby v Gloucester Rugby
Date: Friday, May 1
Venue: Twickenham Stoop
Kick-off: 19:45 BST
Referee: Jérôme Garcès (Fra)
Assistant referees: Pascal Gauzere (Fra), Mathieu Raynal (Fra)
TMO: Eric Gauzins (Fra)