Rat River

• 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

• Rât (disambiguation), several rivers

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

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