Jack Frerer (b. 1995) is an Australian-American composer of music for concert, film and dance, as well as a producer and filmmaker based in Manhattan, currently pursuing a B.M. in Composition at The Juilliard School where he studies with John Corigliano and Robert Beaser. His work has been performed by a variety of ensembles around Australia, Europe, Asia and the US, and has won awards including a Charles Ives Scholarship from the American Academy of Arts and Letters and the Brian Israel Prize from the Society for New Music, and competitions including the Vincent C. LaGuardia Jr. Competition, Red Note, the Lake George Music Festival Competition, the Alba Rosa Viëtor Competition, and both the Juilliard Orchestra and Gena Raps Chamber Music competitions.  He is a Tanglewood composition fellow for 2019, and is currently Composer-in-Residence with the Arapahoe Philharmonic.

As a filmmaker, Jack has created films for The Juilliard School and Quest Magazine, dancers Marcelo Gomes and Julie Kent, as well as music videos for bands and ensembles. He is a co-creator and producer of The Roof, a collaborative film and performance series he created with dancer Liana Kleinman which features New York–based choreographers and composers.