Rock River

Rock River may refer to:

Streams:
* Rock River (Mississippi River), a tributary of the Mississippi River in Wisconsin and Illinois in the USA
* Rock River (Iowa), a tributary of the Big Sioux River in Minnesota and Iowa in the USA
* Rock River (Michigan), any of three rivers in Michigan, USA
* Rock River (Lake Champlain), a tributary of Lake Champlain in northern Vermont, USA
* Rock River (West River), a tributary of the West River in southern Vermont
* Rock River (Yukon), a tributary of the Bell River
* Little Rock River, in Minnesota and Iowa in the United States

"'Communities
* Rock River, Michigan, in Onota Township, Michigan, USA
* Rock River Township, Michigan, USA
* Rock River, Wyoming, USA

Other uses
* Rock River Arms, an American firearms company
* Rock River Generating Station, Wisconsin, USA
* Rock River Hotel, Illinois, USA
* Rock River Raptors, professional indoor football team in Rockford, Illinois, USA
* Rock River Seminary, original name of Mount Morris College in Mount Morris, Illinois, USA