The 41-year-old will officiate the all-German showpiece at Wembley at the weekendBayern Munich and Borussia Dortmund.
The match at Wembley will be Rizzoli's fifth Champions League game of the season and his 27th in total. His last European game was Malaga's 2-0 round-of-16 win over Porto back in March.
The 41-year-old, who has been an international referee since 2007, previously officiated the 2010 Europa League final between Atletico Madrid and Fulham, and also refereed at Euro 2012 last summer in Poland and Ukraine.
At the final in London, Rizzoli will be assisted by his countrymen Renato Faverani and Andrea Stefani. The fourth official will be Damir Skomina from Slovenia and the two additional assistant referees, Gianluca Rocchi and Paolo Tagliavento are also from Italy.