| Official Name: | Marechal Thaumaturgo |
| Pushpin Map: | Brazil |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | State |
| Subdivision Name1: | Acre |
| Leader Title: | Mayor |
| Leader Name: | Isaac Piyãko (PMDB) |
| Unit Pref: | Imperial |
| Area Total Km2: | 7744 |
| Population As Of: | 2020 est [1] |
| Population Total: | 19,299 |
| Population Blank1 Title: | Ethnicities |
| Timezone: | ACT |
| Utc Offset: | -5 |
| Coordinates: | -8.9472°N -72.7903°W |
Marechal Thaumaturgo (pronounced as /pt/, English: Marshal Thaumaturgo) is a municipality located in the west of the Brazilian state of Acre. Its population is 19,299 and its area is 7,744 km².
The municipality contains 5% of the Serra do Divisor National Park, created in 1989.
It contains most of the Alto Juruá Extractive Reserve, created in 1990, and 5% of the Alto Tarauacá Extractive Reserve, created in 2000.