| Serro | |
| Settlement Type: | Municipality |
| Official Name: | Municipality of Serro |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Southeast |
| Established Title: | Founded |
| Established Date: | 6 March 1838 |
| Leader Title: | Mayor |
| Leader Name: | Epaminondas Pires de Miranda (PL) |
| Area Total Km2: | 1,217.813 |
| Elevation M: | 835 |
| Population As Of: | 2021 |
| Population Total: | 20,915 |
| Population Density Km2: | 17.11 |
| Population Footnotes: | [1] |
| Population Demonym: | serrano |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Postal Code Type: | Postal Code |
| Postal Code: | 39150-000 to 39159-999 |
| Blank Name: | HDI (2010) |
| Blank Info: | 0.656 – medium[2] |
Serro is a Brazilian municipality located in the state of Minas Gerais. The city belongs to the metropolitan area of Belo Horizonte and to the microregion of Conceição do Mato Dentro. As of 2020, the estimated population was 20,940.[3]
In colonial times the city was known by the name Vila do Príncipe (). In this city were born Emerico Lobo de Mesquita, one of the most prominent composers of the Classicism movement in Brazil, and Gomes Carneiro, a general who fought on the Paraguayan War and on the Federalist Revolution.
Serro is well known for its traditional cheese, cultural richness, colonial influence and unique environment.
The municipality contains part of the Pico do Itambé State Park, created in 1998.