| Rio Negro | |
| Pushpin Map: | Honduras |
| Pushpin Map Caption: | Location of mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | Honduras, Nicaragua |
Río Negro (pronounced as /es/) is a river that divides the countries of Honduras and Nicaragua along the Pacific coast. Its path was substantially altered by Hurricane Mitch in October 1998. It mostly runs through a very undeveloped jungle region of the 2 countries.