Irina Petrovna Bogacheva (????????, ????? ????????; 2 March 1939 – 19 September 2019) was a Russian mezzo-soprano at the Mariinsky Theatre and a professor of voice at the Saint Petersburg Conservatory.
Trained in Leningrad and at La Scala in Milan, she performed leading roles of the Russian and Italian repertoire at major international opera houses.
Dmitry Shostakovich composed a song cycle to poems of Marina Tsvetaeva for her.