The St. John's Fog Devils are a major junior team of the Quebec Major Junior Hockey League based in St. John's, Newfoundland, Canada.

The club was founded in 2005 along with the St. John Sea Dogs as expansion teams. However, St. John's life was short lived, as it was announced that they would move to Montreal for the 2008-09 QMJHL season under the name Montreal Junior Hockey Club.

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