William Murdoch (24 February 1823 – 4 May 1887) was a Scottish-Canadian poet.
Born in Paisley, Renfrewshire, Scotland, Murdoch migrated to Canada in 1854, aged 31. The following year, he was appointed manager of the gasworks on Partridge Island in Saint John, New Brunswick. He contributed to the Saint John Morning News from 1865, and published Poems and Songs (1860) and Discursory Ruminations: A Fireside Drama (1876).
Murdoch died in Saint John, New Brunswick, Canada.