The St. Croix River is any of several rivers in North America:
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St. Croix River (Maine–New Brunswick) that forms part of the international boundary between Maine and New Brunswick
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St. Croix River (Wisconsin–Minnesota)
The St. Croix River (literally "holy cross" in French) is a tributary of the Mississippi River, approximately 169 miles (272 km) long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map Retrieve ...
that forms part of the border between Wisconsin and Minnesota
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St. Croix River (Nova Scotia)
The St. Croix River is a river in Nova Scotia entirely contained in Hants and Halifax Counties. Its headwaters are Panuke Lake. The river has been exploited for water power. There were water mills in the nineteenth century and in the 1930s three ...
, a tidal river in Hants County, Nova Scotia
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