William Henry Holmes (1836-1887) was an American composer and music educator known for his contributions to choral and vocal music. He was primarily active in the late 19th century and was associated with the sacred music genre. Holmes is best remembered for his work as a music publisher and his role in promoting music education in the United States. Among his notable works are hymns and anthems, which were widely used in churches across the nation. His compositions often emphasized accessibility for congregations and choirs, helping to shape the choral landscape of American sacred music. In addition to his compositions, Holmes was influential in the establishment of music education programs, advocating for the integration of music into school curricula. His efforts contributed to a broader acceptance of music as a vital component of education in the U.S. While not as widely recognized today, Holmes played a significant role in the development of American choral music during a period of cultural growth, leaving a lasting impact on both church music and music education practices in the late 19th century.