Tiina Myllärinen (born in 1979) is a freelance composer working for a doctorate at the Sibelius Academy. She has composed orchestral, choral, chamber and solo works and experimented with electronic music. Outside Finland works by her have been performed in the United States, Italy, Germany, Lithuania, Iceland and Norway. Among those who have commissioned works from her are the Helsinki Chamber Choir, the Time of Music festival, the Polytech Choir (PK) and the “ja kitara soi” guitar festival.
Myllärinen's works include Squarcio for ensemble and orchestral works What (2010) and Traces (2013, commissioned by the Pro Musica Foundation, world premiere at the Helsinki Music Centre on 5 June 2014).
Tiina Myllärinen's music has been described as cheerfully inquisitive, vigorous and original. She has recently developed an interest in the application and study of various acoustic phenomena, such as resonance, in her music.