Siljamari Heikinheimo (b. 1985) is a violinist and opera director. She serves as Artistic Director of Rauma Festivo and as Artistic Planner of the concert series Soivat Kirjat. Since 2020, she has been a lecturer in violin at the Arts Academy of Turku University of Applied Sciences.

As a violinist, Heikinheimo performs actively as a chamber musician and frequently also as a soloist. She is a regular guest at numerous European music festivals and appears often with ensembles such as Avanti!, Helsinki Chamber Soloists, and the O/Modernt Chamber Orchestra. She has recorded several Finnish violin and chamber music works for Yle. Heikinheimo was a member of the Finnish Radio Symphony Orchestra from 2012 to 2016 and currently works as a guest concertmaster and section leader with Nordic orchestras, including the Helsinki Philharmonic Orchestra, Tapiola Sinfonietta, the Danish Chamber Orchestra, and the Royal Danish Orchestra.

As a director, Heikinheimo has worked in the directing team of Stefan Herheim at Deutsche Oper am Rhein in Düsseldorf and Komische Oper Berlin, as well as assistant director at the Finnish National Opera. Her productions of Béla Bartók’s Bluebeard’s Castle, Kurt Weill’s The Seven Deadly Sins, and Toscan muotokuva have premiered at Rauma Festivo. Trapped Butterfly, composed by Sampo Kasurinen with a libretto by Aina Bergroth, premiered in summer 2023 at the Kuhmo Chamber Music Festival, Meidän Festivaali, and Rauma Festivo.

Heikinheimo studied at the Espoo Music Institute and later at the Edsberg Institute of Music in Stockholm and the Sibelius Academy. Her principal teachers have included Päivyt Meller, Grazyna Gebert, Ulf Wallin, and Petri Aarnio. In masterclasses, she has studied with Mi-Kyung Lee, Pavel Vernikov, Antti Tikkanen, Ferenc Rados, and Ralf Gothoni. She has studied chamber music under the guidance of Paavo Pohjola, Marko Ylönen, and Mats Zetterqvist.