Ella Georgiyevna Adayevskaya (Russian: ???? (?????????) ?????????? ?????????; 22 February 1846 [O.S.
10 February] – 26 July 1926) was a Russian composer, pianist, and ethnomusicologist.
Adayevskaya wrote vocal music (including choral works), chamber music, and two operas.
She also edited a collection of Italian songs and published writings on folk music and the music of ancient Greece.