Olga Arefieva (Arefeva, Russian: Ольга Арефьева) (born 1966 in Verkhnyaya Salda) is a Russian singer-songwriter, poet and musician.
Her poetry was described by literary critics as a combination of realism and mysticism, possibly inspired by the absurdism of Daniil Kharms or the magic realism of Gabriel Márquez. She is a member of the Union of Russian Writers.