| Antônio Augusto Monteiro de Barros | |
| Order1: | Senator of the Empire of Brazil for Minas Gerais |
| Term Start1: | 1828 |
| Term End1: | 1841 |
| Monarch1: | Pedro II |
| Birth Date: | 1790 |
| Birth Place: | Ponta Delgada, Azores |
| Death Place: | Rio de Janeiro, Brazil |
| Occupation: | Politician |
| Alma Mater: | University of Coimbra |
Antônio Augusto Monteiro de Barros (1790 – 16 November 1841) was a Brazilian politician who served as a senator in the Empire of Brazil from 1828 to 1841.[1] [2]