Winneshiek may refer to the following:
Places
;United States
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Winneshiek, Illinois, an unincorporated community
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Winneshiek County, Iowa
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Lake Winneshiek
Lake Winneshiek is the name given to that portion of Navigation Pool 9 impounded by Lock and Dam No. 9 between the dam to 4 miles south of the city of Lansing, Iowa on the Upper Mississippi River, near Ferryville, Wisconsin. It encompasses about ...
, reservoir
Other
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Winneshiek Players, an American community theater group
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