| Official Name: | Sertaneja |
| Pushpin Map: | Brazil |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: | Brazil |
| Subdivision Name2: | Paraná |
| Leader Title: | Mayor |
| Area Total Km2: | 444.48 |
| Population As Of: | 2020 [1] |
| Population Total: | 5,216 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -23.0369°N -50.8378°W |
| Elevation M: | 520 |
| Website: | sertaneja.pr.gov.br |
Sertaneja is a municipality in the state of Paraná in Brazil.
It was established as a municipality according to Law nº 2/1947, dated 10 October 1947 dividing the earlier Cornélio Procópio municipality into 3 new district municipalities: Sertaneja, Leópolis and Congonhas.
The municipal area of Sertaneja is 444,48 km² and its population 5,216 (2020). Agriculture is the town's main industry.[2]