| Royal Collegiate church of San Fernando | |
| Native Name: | Real Colegiata de San Fernando |
| Native Language: | Spanish |
| Coordinates: | 43.3075°N -5.0541°W |
| Location: | Cangas de Onís, Spain |
| Built: | 1585–1599 |
| Designation1: | Spain |
| Designation1 Offname: | Colegiata de Nuestra Señora de Covadonga |
| Designation1 Type: | Non-movable |
| Designation1 Criteria: | Monument |
| Designation1 Date: | 1884 |
| Designation1 Number: | RI-51-0000039 |
The Royal Collegiate church of San Fernando (Spanish: Real Colegiata de San Fernando) is a collegiate church located in the parish of Covadonga, Cangas de Onís, Asturias, Spain. It was declared Bien de Interés Cultural in 1884.
It is the oldest building in the Sanctuary of Covadonga and is located next to the Holy Cave.