| Official Name: | Diogo Vaz |
| Settlement Type: | Village |
| Pushpin Map: | Sao Tome |
| Pushpin Label Position: | top |
| 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: | Lembá |
| Population As Of: | 2012 |
| Population Total: | 632 |
| Timezone1: | WAT |
| Utc Offset1: | +1 |
| Coordinates: | 0.3167°N 6.4982°W |
Diogo Vaz is a settlement in the Lembá District on the western coast of São Tomé Island in São Tomé and Príncipe. Its population is 632 (2012 census).[1] It lies 7 km southwest of Neves and 6 km northeast of Santa Catarina. It was established as a plantation complex, Roça de Diogo Vaz.