| Castañedo (Grado) | |
| Settlement Type: | Parish |
| Pushpin Map: | Spain |
| Coordinates: | 43.3981°N -6.0678°W |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Asturias |
| Subdivision Type2: | Province |
| Subdivision Name2: | Asturias |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Grado |
Castañedo is one of 28 parishes (administrative divisions) in the municipality of Grado, within the province and autonomous community of Asturias, in northern Spain.
The population is 251 (INE 2007).