Barrett's Siding is a ghost town in Newfoundland and Labrador. It is located in Division No. 7, Subdivision E.

The community came about as a side track railcar storage depot on the Bonavista branch railway. It first appeared on 1956 census with a population of 16; this was the height of the population. In 1961 there were eight people, in 1966 this would drop to four. See also List of ghost towns in Newfoundland and Labrador

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