| Official Name: | Castelândia |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -18.0825°N -50.2136°W |
| Subdivision Type: | Country |
| Subdivision Name: | Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Central-West |
| Subdivision Type2: | State |
| Subdivision Name2: | Goiás |
| Subdivision Type3: | Mesoregion |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Sudoeste de Goiás |
| Subdivision Type5: | Metrop. region |
| Leader Title: | Mayor |
| Elevation M: | 443 |
| Area Total Km2: | 298.4 |
| Population Total: | 3,407 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone1: | BRT |
| Utc Offset1: | -3 |
| Postal Code Type: | Postal code |
| Postal Code: | 75925-000 |
| Area Code Type: | Area code |
Castelândia is a municipality in southwest Goiás state, Brazil. It is a large producer of sugar cane and soybeans.
Castelândia is located in the southwest of the state, west of the Rio dos Bois, a major tributary of the Paranaíba. It is 54 kilometers northeast of the regional center, Quirinópolis and 95 kilometers southwest of Rio Verde. The distance to the state capital, Goiânia, is 282 km. Highway connections are made by GO-040 / Aragoiânia / Cromínia / Pontalina / Bom Jesus de Goiás / BR-452 / GO-319 / Aloândia. Sepin. Neighboring municipalities are Rio Verde, Maurilândia, and Bom Jesus de Goiás.
The economy is based on cattle raising (22,000 head in 2006), poultry production, and growing of sugar cane, corn, and soybeans. There was 01 financial institution in 2007—BRADESCO S.A
Motor vehicles
Main agricultural products in ha.(2006)
Farm Data (2006)in ha.
In 2006 there was 01 hospital with 15 beds. There were no institutions of higher education.
Castelândia was created as a district belonging to the municipality of Rio Verde in 1963. In 1993 it was dismembered from Rio Verde to become its own municipality.