| São Miguel do Oeste | |
| Settlement Type: | Municipality |
| Official Name: | Municipality of São Miguel do Oeste |
| Nickname: | "São Miguel" |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | South |
| Subdivision Name2: | Santa Catarina |
| Leader Title: | Mayor |
| Leader Name: | Wilson Trevisan (PSD) |
| Established Title: | Founded |
| Established Date: | February 15, 1954 |
| Area Total Km2: | 234.202 |
| Population As Of: | 2022 [1] |
| Population Total: | 44,330 |
| Population Density Km2: | 189.3 |
| Timezone: | UTC-3 |
| Utc Offset: | -3 |
| Timezone Dst: | UTC-2 |
| Utc Offset Dst: | -2 |
| Coordinates: | -26.7308°N -53.5153°W |
| Elevation M: | 720 |
| Postal Code Type: | CEP |
| Postal Code: | 89900-000 |
| Blank Name: | HDI (2010) |
| Blank Info: | 0.801 – high[2] |
São Miguel do Oeste is a Brazilian municipality in the state of Santa Catarina, in the southern region of Brazil, 655 km from the state capital, Florianópolis. Its population in 2022, according to the Brazilian Institute of Geography and Statistics Demographic Census, was 44 330 inhabitants.[3]
Considered the capital of the extreme west of Santa Catarina, it is the largest city in the state of Santa Catarina close to the border with Argentina, polarizing important health, security and education bodies and institutions. It is widely used as a stopping point for Argentine, Paraguayan and CHilean tourists visiting the beaches of Santa Catarina or by Brazilians on their way to the Iguazu Falls.
The city was founded on 15 February 1954 by immigrants from the Brazilian state of Rio Grande do Sul, descendants of Italian and German. The name of the city is a blend of its patron saint, São Miguel Arcanjo, and the name of the district that led the city, West Village (Vila Oeste).
The city is served by Miguel Wasum Airport.