| Official Name: | Marechal Floriano |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | 20.4128°N -40.6828°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | State |
| Subdivision Name2: | Espírito Santo |
| Subdivision Type3: | Mesoregion |
| Subdivision Type4: | Microregion |
| Subdivision Type5: | Metrop. region |
| Leader Title: | Mayor |
| Area Total Km2: | 285 |
| Population Total: | 16,920 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Area Code Type: | Area code |
Marechal Floriano is the capital of a municipality of the same name in the state of Espírito Santo, Brazil. Once part of the municipality of Domingos Martins, the town of Marechal Floriano separated on October 31, 1991, becoming capital of its own municipality. Marechal Floriano is just over 60 km from Vitória, the capital of the state, and situated in the southeastern Brazilian Highlands. The surrounding municipalities are to the north, Domingos Martins, and to the south, Guarapari and Alfredo Chaves. The capital stands at 544 meters above sea level. Local average temperatures vary between 6 and 30 degrees Celsius.
Its population was 16,920 (2020), and its area is 285 km2.
Known locally and promoted as the "Town of Orchids", it cultivates and sells many such plants. It was given its name in honor of Field Marshal (in Portuguese: "Marechal") Floriano Peixoto, the first vice-president of the Brazilian Republic.