Gerre Edward Hancock (February 21, 1934 – January 21, 2012) was an American organist, improviser, and composer. Hancock was Professor of Organ and Sacred Music at the University of Texas at Austin. He died of cardiac arrest in Austin, Texas, on Saturday, January 21, 2012. His compositions for organ and chorus are widely performed. He recorded for Gothic Records, Decca/Argo, Koch International and Priory Records, both as a conductor of The St. Thomas Choir and as a soloist.