Matthew Joseph Butler, CMG (November 1856 – 22 June 1933) was a Canadian civil engineer, businessman, civil servant, and author.
Butler was born in Mill Point, Canada West in November 1856. He studied at University of Toronto. He worked for John Dunlop Evans and Thomas Oliver Bolger. He was Deputy Minister and Chief Engineer of the Department of Railways and Canals from 1905 to 1910.[1]
He died in Sydney, Nova Scotia, on 22 June 1933.