| Official Name: | Município de Santa Maria Madalena |
| Mapsize: | 250px |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location of Santa Maria Madalena in Brazil |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Southeast |
| Subdivision Name2: | Rio de Janeiro |
| Leader Title: | Prefeito |
| Leader Name: | Carlos Botelho (DEM) |
| Area Total Km2: | 815.591 |
| Population As Of: | 2020 [1] |
| Population Total: | 10,392 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -21.955°N -42.0078°W |
| Elevation M: | 615 |
| Website: | http://www.pmsmm.rj.gov.br/ |
| Settlement Type: | Municipality |
| Santa Maria Madalena | |
Santa Maria Madalena (pronounced as /pt/) is a municipality located in the Brazilian state of Rio de Janeiro. Its population was 10,392 (2020) and its area is 816 km2.[2]
The municipality contains part of the Desengano State Park, created in 1970.