The Juilliard String Quartet is a classical music string quartet founded in 1946 at the Juilliard School in New York by William Schuman. Since its inception, it has been the quartet-in-residence at the Juilliard School. It has received numerous awards, including four Grammys and membership in the National Academy of Recording Arts and Sciences Hall of Fame. In February 2011, the group received the NARAS Lifetime Achievement Award for its outstanding contributions to recorded classical music.

The Juilliard School is a private performing arts conservatory in New York City. Founded by Frank Damrosch as the Institute of Musical Art in 1905, the school later added dance and drama programs and became the Juilliard School, named after its principal benefactor Augustus D. Juilliard.