Tuomas Kantelinen (born September 22, 1969) is a Finnish composer. He studied composition at the Sibelius Academy with Eero Hämeenniemi. He is best known for his scores for films such as Rukajärven tie, Äideistä parhain, Mindhunters and Mongol. He has also composed an opera, chamber music and orchestral works as well as music for television shows and commercials.