Olga Alexandrovna Peretyatko is a Russian operatic soprano. She has been known for lyric and coloratura soprano roles, most notably in operas by Rossini and Mozart. In recent years, she has been taking up heavier and more lyrical roles.

Semiramide riconosciuta is a dramma per musica in two acts by Giacomo Meyerbeer. It is the composer's fifth opera and the second that he composed for a theatre in Italy. The text is an adaptation of a pre-existing libretto by Pietro Metastasio that had already been set to music by numerous other composers. The opera had its premiere at the Teatro Regio in Turin on 3 February 1819.