Jan Sandström (born 25 January 1954, Vilhelmina, Västerbotten County, Sweden) is a Swedish classical music composer, perhaps mostly known for the Motorbike Concerto and his choral arrangement of Es ist ein Ros entsprungen (Det är en ros utsprungen).
Sandström grew up in Stockholm. He studied at the Luleå University of Technology's Piteå School of Music (1974–1976) and completed his music training at the Royal College of Music, Stockholm, studying music theory (1978–1982) and composition with Gunnar Bucht, Brian Ferneyhough and Pär Lindgren (1980–1984).
He joined the faculty of the Piteå School of Music in the 1980s and was appointed professor of composition in 1989.