| Montalvânia | |
| Settlement Type: | Municipality |
| Official Name: | The Municipality of Montalvânia |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Southeast |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name2: | Minas Gerais |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | North of Minas Gerais |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Januária |
| Leader Title: | Mayor |
| Leader Name: | José Florisval de Ornelas |
| Established Title: | Founded |
| Established Date: | April 22, 1962 |
| Area Total Km2: | 1484.388 |
| Population As Of: | 2020 [1] |
| Population Total: | 14,747 |
| Population Density Km2: | 11.6 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -14.4175°N -44.3703°W |
| Blank Name: | HDI (2000) |
| Blank Info: | 0.645 – medium[2] (760th in Minas Gerais, 3,854th in Brazil) |
| Website: | www.montalvania.mg.gov.br/ |
Montalvânia is a municipality in the northernmost point of the state of Minas Gerais in Brazil. As of 2020 the population was 14,747 in an area of 1,484.388 km2. The elevation of the municipal seat is 510 meters, the postal code (CEP) is 39495-000 and it is located in the microregion of Januária
The economy is based on agriculture with emphasis on cattle raising. There were 41,000 head in 2006. The main agricultural crops were corn, manioc, sugarcane, and rice. The GDP was R$47,000,000 in 2005.
The main highways of access are BR-135 and BR-030. The Cavernas do Peruaçu National Park lies to the south near Itacarambi. The boundary with the state of Bahia lies to the north. The municipal seat is 64 km. south of the São Francisco River.
The streets are named after philosophers and thinkers like Buddha, Confucious, Homer, Plato, and Mohamed. The founder of the town was Antônio Montalvão (1917-1992), a local rancher who donated the land to build lots. He believed that extraterrestrials had used the region as a base to capture energy for their space travels. According to him inscriptions on rocks refer to space ships and rituals practiced between extraterrestrials and humans.