William Jackson (born 9 January 1815 in Masham, Yorkshire, England; died 15 April 1866 in Bradford, England) was an English organist and composer. A self-taught musician, he became organist at Masham in 1832. He won first prize in the Huddersfield Glee Club in 1840. In 1852, he established a music business and became organist of St. John's Church at Bradford. Later, he took the organ at Horton Chapel, was conductor of Bradford Choral Union, and chorusmaster of Bradford Festivals. His works include two oratorios (Deliverance of Israel from Babylon and Isaiah); two cantatas (The Year and The Praise of Music); the 103d Psalm for solo, choir and orchestra; sacred music, glees; part-songs; and songs.