William Henry Hewlett (16 January 1873 – 13 June 1940) was a Canadian organist, conductor, composer, and music educator of English birth.
As a teenager he studied at the Toronto Conservatory of Music (TCM) where he graduated with the gold medal for organ performance in 1893.
[1] While a student at the TCM, Hewlett held the post of organist-choirmaster at Carlton St Methodist Church from 1890 to 1895.
Around this time he also served as accompanist for singers Ernestine Schumann-Heink and Dame Clara Butt in their Canadian recital tours.
[1] In 1902, Hewlett relocated to Hamilton to assume the position of music director at Centenary Methodist Church where he remained until 1938.