Olga Alexandrovna Peretyatko (Russian: Ольга Александровна Перетятько; born 21 May 1980) is a Russian operatic soprano. Since her participation at Accademia Rossiniana, she has been known for coloratura soprano roles particularly in operas by Rossini and Mozart. In recent years, she further explores heavier roles in bel canto repertoire and more lyrical roles. She was noticed internationally after performing the title role in Stravinsky's The Nightingale in 2009.