Walter Louis MacNutt (2 June 1910 – 10 August 1996) was a Canadian organist, choir director, and composer. His compositional output includes numerous choral works, songs, pieces for solo organ, and works for orchestra, many of which have been published by companies like Broadcast Music Incorporated, Frederick Harris Music, the Waterloo Music Company, and the Western Music Company. In 1938 his Suite for Piano was awarded the first Vogt Society prize for Canadian composition. One of his more popular works, the secular song Take Me to a Green Isle, is taken from a poem by H.E. Foster. He also composed many songs to the poems of William Blake. In his later years, he composed music mainly for the Anglican church, include two Missae breves and the Mass of St James (1974).