John Duncan McArthur (June 25, 1854 – January 10, 1927) was a Canadian industrialist and railway builder.
After being educated at a local school and spending much of his childhood at his father's farm he travelled west in 1879 where he began his career in the railroad business.
Four years later McArthur almost went bankrupt on the construction of the Edmonton, Dunvegan and British Columbia Railway.
[2] He tried to build an extensive system in Alberta, the Edmonton, Dunvegan and British Columbia Railway, which was hampered by the First World War.
[1] "He was one of western Canada’s greatest railway contractors, having built over 2,833 miles [4,559 km] of track, but he was also one of its most controversial.