Mackinac

Mackinac or Mackinaw may refer to:

==Geography== ===Landforms=== Straits of Mackinac, a waterway in the U.S. state of Michigan connecting two of the Great Lakes, Lake Michigan and Lake Huron and separating the Upper and Lower Peninsulas of Michigan Mackinac Island, an island in the Straits of Mackinac Mackinaw River, a tributary of the Illinois River in the U.S. state of Illinois Little Mackinaw River, a tributary of the Mackinaw River