The St. Croix River is any of several rivers in North America:
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St. Croix River (Maine–New Brunswick)
The St. Croix River (; Maliseet-Passamaquoddy: ''Skutik'') is a river in northeastern North America, in length,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed June 22, 2011 that form ...
, that forms part of the United States–Canada border
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St. Croix River (Wisconsin–Minnesota), United States, that forms part of the state border
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St. Croix River (Nova Scotia), Canada
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