| Monte Alegre de Sergipe | |
| Native Name: | Município de Monte Alegre de Sergipe |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of Monte Alegre de Sergipe in Brazil |
| Coordinates: | -10.0269°N -37.5619°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Northeast |
| Subdivision Name2: | Sergipe |
| Established Title: | Founded |
| Established Date: | November 25, 1953 |
| Leader Title: | Mayor |
| Leader Name: | Antônio Fernandes Rodrigues Santos |
| Unit Pref: | Metric |
| Area Total Km2: | 407 |
| Elevation M: | 265 |
| Population As Of: | 2020 [1] |
| Population Total: | 15,175 |
| Population Density Km2: | auto |
| Population Demonym: | Monte-alegrense |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
Monte Alegre de Sergipe is a municipality located in the Brazilian state of Sergipe. Its population was 15,175 (2020). Monte Alegre de Sergipe covers 407km2 with a population density of 37 inhabitants per square kilometer.