St. Joseph River may refer to the following streams in the U.S. state of Michigan:
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St. Joseph River (Lake Michigan)
The St. Joseph River (known locally as the St. Joe) is a river that flows in a generally westerly direction through southern Michigan and northern Indiana, United States, before emptying into Lake Michigan. The St. Joseph River drainage basin ...
, rises in Hillsdale County and flows primarily to the west into Lake Michigan
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St. Joseph River (Maumee River), rises in Hillsdale County and flows primarily southwest, joins with the St. Mary's River in Ft. Wayne, Indiana to form the Maumee River
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Rivers of Michigan
Set index articles on rivers of Michigan