It will be the fifth time Barnes has refereed the Premiership final, having held the whistle for the 2008, 2009, 2011 and 2012 finals.
Barnes has refereed 29 games so far this season in all competitions, including Leicester’s recent visit to Northampton on March 30.
Match officials for Aviva Premiership final, Saturday May 25:
• Referee: Wayne Barnes
• AR1 / Res: Ref Greg Garner
• AR2: JP Doyle
• No 4 / Res AR: Stuart Terheege
• No 5: Luke Pearce
• TMO: Graham Hughes
• TK: Mike Hamlin