| Official Name: | Ribeira Afonso |
| Settlement Type: | Village |
| Pushpin Map: | Sao Tome |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location on São Tomé Island |
| Subdivision Type: | Country |
| Subdivision Name: | São Tomé and Príncipe |
| Subdivision Type1: | Island |
| Subdivision Name1: | São Tomé |
| Subdivision Type2: | District |
| Subdivision Name2: | Cantagalo |
| Population As Of: | 2008 |
| Population Total: | 1,621 |
| Timezone1: | WAT |
| Utc Offset1: | +1 |
| Coordinates: | 0.1957°N 6.7004°W |
Ribeira Afonso is a village on the eastern coast of São Tomé Island in São Tomé and Príncipe. Its population is 1,621 (2008 est.).[1] It is 4 km southwest of Água Izé and 16 km south of the capital São Tomé.