Smith River may refer to:
Rivers
Canada
- Smith River (Liard River tributary), British Columbia
- Smith River (Montmorency River tributary), Québec
- Petite rivière Smith, a tributary
Jamaica
- Smith River (Jamaica)
United States
- Smith River (California)
- North Fork Smith River (California), that begins in Oregon
- Smith River (Montana)
- Smith River (Pemigewasset River tributary), New Hampshire
- Smith River (Umpqua River tributary), Oregon
- Smith River (McKenzie River tributary), Oregon
- Smith River (Virginia), in Virginia and North Carolina
Places
- Smith River, British Columbia, Canada
- Smith River, California, United States