| Maçambará | |
| Settlement Type: | Municipality |
| Mapsize: | 300px |
| Coordinates: | -29.1428°N -56.065°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | South |
| Subdivision Type2: | State |
| Subdivision Name2: | Rio Grande do Sul |
| Subdivision Type3: | Micro-region |
| Subdivision Name3: | Campanha Ocidental |
| Established Title: | Founded |
| Established Date: | October 22, 1997 |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 1682.82 |
| Population Total: | 4,562 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Postal Code: | 97560-xxx |
| Area Code Type: | Area/distance code |
| Blank Name Sec1: | IBGE code |
| Blank Name Sec2: | Distance from the capital |
| Blank Info Sec2: | 590km (370miles) |
| Website: | macambara.rs.gov.br |
Maçambará is a small Brazilian municipality in the western part of the state of Rio Grande do Sul. The population is 4,562 (2020 est.) in an area of 1,682.82 km2.[2] Its elevation is 110 m. It is located west of the state capital of Porto Alegre and northeast of Alegrete.
The municipality contains part of the São Donato Biological Reserve, a strictly protected conservation unit created in 1975 that protects an area of wetlands on the Butuí River, a tributary of the Uruguay River.