Falls River
Falls River may refer to:
- In the United States
 
- Falls River (Michigan), a tributary of Lake Superior
 - Falls River (Connecticut River), in Massachusetts and Vermont, a tributary of the Connecticut River
 - Wood River (Pawcatuck River), in Connecticut and Rhode Island, known as Falls River from its source to Stepstone Falls
 
- Elsewhere
 
- Falls River (New Zealand), a tributary of Tasman Bay