| Official Name: | Monte Carlo |
| 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: | Antoninho Tibúrcio Gonçalves |
| Leader Party: | PMDB |
| Established Title: | Founded |
| Established Date: | September 26, 1991 |
| Area Total Km2: | 162.785 |
| Pushpin Map: | Brazil |
| Population As Of: | 2020 [1] |
| Population Total: | 9,906 |
| Population Density Km2: | 66.8 |
| Timezone: | UTC-3 |
| Utc Offset: | -3 |
| Timezone Dst: | UTC-2 |
| Utc Offset Dst: | -2 |
| Coordinates: | -27.2228°N -50.9797°W |
| Elevation M: | 942 |
| Blank Name: | HDI (2000) |
| Blank Info: | 0.733 |
| Website: | www.montecarlo.sc.gov.br |
Monte Carlo is a city in Santa Catarina, in the Southern Region of Brazil. It is part of the metropolitan region of the city of Fraiburgo.
Monte Carlo has Oceanic climate (Köppen climate classification Cfb) in general, the temperature varies from 2°C to 31°C and is rarely lower than -3°C or higher than 35°C. Frost are common on winter.