| Official Name: | Rio do Fogo |
| Settlement Type: | Municipality |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Nordeste |
| Subdivision Type2: | State |
| Subdivision Name2: | Rio Grande do Norte |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Leste Potiguar |
| Unit Pref: | Imperial |
| Population As Of: | 2020 [1] |
| Population Total: | 10,905 |
| Timezone: | BRT |
| Utc Offset: | -3 |
Rio do Fogo is a municipality in the state of Rio Grande do Norte in the Northeast region of Brazil.[2] [3] [4] [5] The municipality is named after a river which means the "River of Fire".
Another river is Rio Guaxinim (Tupi originated name) located nearby and a beach called Pititinga. Along the coast is a wind farm that energy to parts of the state.
Rio do Fogo is connected with the BR-101, the longest highway in Brazil.