Shirō Sagisu (鷺巣 詩郎, Sagisu Shirō, born August 29, 1957) is a Japanese composer, arranger and music producer. With a career spanning over 40 years (beginning in the late 1970s), he is best known for his works as a record producer for acts including various choir members Mike Wyzgowski, Misia, Satoshi Tomiie, and Ken Hirai. Sagisu has also worked as a film composer for several anime and films and is well known for his collaborations with Gainax, especially the soundtrack to Hideaki Anno's series Neon Genesis Evangelion.