Henry Hugo Pierson (1815–1873) was an English composer and music educator, primarily known for his contributions to choral and sacred music. He was associated with the Victorian choral movement and was influential in the development of church music during this period. Pierson's genre predominantly encompassed sacred music, although he also composed works for secular performances. Notable works include his settings of hymns and anthems, such as "A Hymn of Praise" and the widely used "O God, Our Help in Ages Past," which is based on the text by Isaac Watts. Pierson's compositions often reflect the Romantic style, characterized by expressive melodies and rich harmonies, making them popular in church services and choral societies. His impact on music lies in his role as a bridge between traditional hymnody and the more elaborate choral forms of the 19th century. Pierson's music contributed to the broader development of English choral repertoire, influencing both church musicians and composers who followed. His legacy is particularly evident in the continued performance of his works in church settings and choral festivals.