Haruka Hirayama  is a composer from Murakami, Niigata, Japan. She studied composition and computer music with Profs Cort Lippe and Takayuki Rai at Sonology Department, Kunitachi College of Music in Tokyo and received a B.A. and M.A. She also completed the research programme of Electroacoustic Composition at NOVARS Research Centre of the University of Manchester under the supervision of Prof. Ricardo Climent.

She was awarded the Residence Prize at the 32nd International Competition of Electroacoustic Music and Sonic Art (IMEB/Bourges, France) in 2005, and the Pauline Oliveros Prize at the Search for New Music by Women Composers Competition (IAWM/US) in 2012. Her activities as a composer are diverse including composer-in-residence at the Institute for Electroacoustic Music in Sweden (EMS), commissions from Chaotic.moebius (Plattform für neue und experimentelle Musik in Basel) or various performers, and her works have been selected and performed at multiple international festivals and conferences.

She is based in Tokyo, a lecturer at the Department of Media Design, College of Arts, Tamagawa University, Graduate School at Kunitachi College of Music, and Faculty of Policy Informatics, Chiba University of Commerce.

Haruka created a peice for Decibel in their Chance Figurations program in Japan, 2016.