| Official Name: | Barra do Mendes |
| Subdivision Type2: | State |
| Subdivision Name: | Brazil |
| Subdivision Name1: | Nordeste |
| Subdivision Name2: | Bahia |
| Established Title: | Founded |
| Established Date: | 21 July 1917 |
| Established Title2: | Incorporated |
| Established Date2: | 14 August 1958 |
| Population As Of: | 2020 [1] |
| Population Total: | 13,833 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -11.81°N -42.0589°W |
| Elevation M: | 121 |
| Postal Code Type: | Postal code |
| Postal Code: | 2903003 |
Barra do Mendes is a municipality in the state of Bahia in the North-East region of Brazil.