Rat River

Rat River may refer to:

Canada

 * Rat River (Burntwood River tributary), Manitoba
 * Rat River (Red River of the North tributary), Manitoba
 * Rivière au Rat (Weedon), a tributary of the Saint-François River in Quebec, Canada
 * Rivière aux Rats, a tributary of the Saguenay River in Quebec, Canada

Romania

 * Rât (disambiguation), several rivers

Elsewhere

 * River Rat, a tributary of the River Gipping, England
 * Rat River, Wisconsin, the former name of Silver Cliff, Wisconsin, US