| Piélagos | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain |
| Pushpin Map Caption: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Cantabria |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Santander |
| Subdivision Type4: | Judicial district |
| Subdivision Name4: | Santander |
| Seat Type: | Capital |
| Seat: | Renedo de Piélagos |
| Coordinates: | 43.3578°N -3.9581°W |
| Elevation M: | 37 |
| Area Total Km2: | 83.33 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Official language(s) |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code Type: | Dialing code |
| Leader Title: | Alcalde |
| Leader Name: | Carlos Caramés |
Piélagos is a municipality in Cantabria, Spain.[1]