Rock River

Rock River may refer to:

Streams

 * United States
 * Rock River (Mississippi River), a tributary of the Mississippi River in Wisconsin and Illinois
 * Rock River (Iowa), a tributary of the Big Sioux River in Minnesota and Iowa
 * Rock River (Lake Michigan), a tributary of Lake Michigan in Michigan
 * Rock River (Lake Superior), a tributary of Lake Superior in Michigan
 * Rock River (Sturgeon River), a tributary of the Sturgeon River in Michigan
 * Rock River (Lake Champlain), a tributary of Lake Champlain in northern Vermont
 * Rock River (West River), a tributary of the West River in southern Vermont
 * Little Rock River, in Minnesota and Iowa in the United States


 * Canada
 * Rock River (Yukon), a tributary of the Bell River; see List of rivers of Yukon

Communities

 * Rock River, Michigan, in Onota Township, Michigan, USA
 * Rock River Township, Michigan, USA
 * Rock River, Wyoming, USA
 * Rock River, a community in Clarendon, Jamaica

Other uses

 * Rock River Arms, an American firearms company
 * Rock River Generating Station, Wisconsin, USA
 * Rock River Hotel, Illinois, USA
 * Rock River Music, music branding agency in San Francisco, CA and Putney, VT
 * 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