Jesper Koch (born 5 September 1967) is a Danish composer.
Koch studied composition at The Royal Danish Academy of Music with Hans Abrahamsen, Ib Nørholm and Ivar Frounberg from 1986–95 and subsequently at Det Jyske Musikkonservatorium with Karl Aage Rasmussen in 1995–97, as well as some studies abroad with Olav Anton Thommesen and Colin Matthews. He is known for his "brilliant orchestral writing" and has been composer-in-residence with South Jutland Symphony Orchestra for three years and has composed works on commission by Odense Symphony Orchestra, Aalborg Symphony Orchestra and Collegium Musicum.