Tatiana Aleshina (, born 3 July 1961, Nizhyn) is a Russian composer, singer-songwriter, theater artist, and poet. She is a music director of the St. Petersburg Demmeni Marionette Theatre, the oldest professional puppet theatre in Russia. She is a member of Union of Theatre Workers of the Russian Federation.
She was born in the city of Nizhyn. Three months later, her family moved to the closed city of Chelyabinsk-40, and then to the Tula region. She graduated from the School of Music in Kurgan. In 1987 she graduated from the Urals Mussorgsky State Conservatoire. Since 1996 Aleshina works as a music director in the Demmeni Marionette Theatre in St. Petersburg. Since 1992 she collaborates with theater of Elena Kamburova.