Heli Hartikainen (b. 1993) is a Helsinki based saxophonist, clarinetist, composer and performing artist whose training and interests lie in experimental free improvisation and multidisciplinary art. Hartikainen is also known for her art folk ensemble Aoide and her solo project CHRONOVARIATIONS that was part of FLOW FESTIVAL 2022. Hartikainen performs both solo and in ensembles and works as an instrument teacher and a studio musician. 

Hartikainen has studied classical clarinet playing and jazz saxophone and graduated as a master of folk music from Sibelius Academy of the University of the Arts, Helsinki. Within her folk music studies Hartikainen has especially researched the ancient styles of improvisation and the aesthetics of repetitiveness.