Walter Louis MacNutt (2 June 1910 – 10 August 1996) was a Canadian organist, choir director, and composer.
In his later years, he composed music mainly for the Anglican church, include two Missae breves and the Mass of St James (1974).
In 1929 he entered the Toronto Conservatory of Music (TCM) where he studied through 1932 with Reginald Godden (piano) and Healey Willan (organ and composition).
During that time he played saxophone in a regimental band and was the organist at St. Peter's Pro-Cathedral in his native city.
[1] After World War II, MacNutt was the organist-choirmaster at All Saints' Anglican Church, Winnipeg, Manitoba from 1946 to 1949.