| Official Name: | Lajinha |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -20.1508°N -41.6228°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | State |
| Subdivision Name2: | Minas Gerais |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Zona da Mata |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Manhuaçu |
| Subdivision Type5: | Metrop. region |
| Leader Title: | Mayor |
| Area Total Km2: | 431.92 |
| Population Total: | 19,918 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Area Code Type: | Area code |
Lajinha is a municipality in the northeastern part of the state of Minas Gerais, Brazil. As of 2020, the population was estimated to be 19,918. It has an area of .[2] The town borders the state Espírito Santo to the east.
| Year | Population | |
|---|---|---|
| 2004 | 20,706 | |
| 2015 | 20,262 | |
| 2020 | 19,918 |