| Siejo | |
|---|---|
| — Parish — | |
| Country | Spain |
| Autonomous community | Asturias |
| Province | Asturias |
| Municipality | Peñamellera Baja |
Siejo is one of eight parishes (administrative divisions) in Peñamellera Baja, a municipality within the province and autonomous community of Asturias, in northern Spain.
The population is 105 (INE 2008).