The Little Saint Roch River (French: Rivière du Rochu) is a river in Quebec and Maine. From its source (47°07′05″N 69°44′56″W / 47.118°N 69.749°W / 47.118; -69.749 (Rivière Saint-Roch source)), in L'Islet RCM, the river runs south and southeast across the Canada–United States border to the Shields Branch of the Big Black River in Maine Township 15, Range 15, WELS.

• List of rivers of Maine

• "Little Saint Roch River". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. 30 September 1980. Retrieved 2009-10-16.
• Maine Streamflow Data from the USGS
• Maine Watershed Data From Environmental Protection Agency

46°55′26″N 69°37′48″W / 46.9239°N 69.6300°W / 46.9239; -69.6300