Rainy River

Rainy River can refer to:


 * Rainy River (British Columbia), a short river that flows into the Howe Sound
 * Rainy River (Marlborough), a tributary of the Pelorus River, Marlborough District, New Zealand
 * Rainy River (Michigan), tributary of the Black River
 * Rainy River (Minnesota–Ontario), part of the United States-Canada border between Minnesota and Ontario
 * Rainy River (Tasman), a river in the Motueka River catchment, Tasman District, New Zealand
 * Rainy River, Ontario
 * Rainy River First Nations, an Ojibway First nation in Northwest Ontario
 * Rainy River District