| Official Name: | Hernialde |
| Pushpin Map: | Spain Basque Country#Spain |
| Pushpin Map Caption: | Location of Hernialde within the Basque Country##Location of Hernialde within Spain |
| Coordinates: | 43.1544°N -2.0853°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Gipuzkoa |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Tolosaldea |
| Area Total Km2: | 4 |
| Elevation M: | 299 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 20494 |
Hernialde is a town located in the province of Gipuzkoa, in the autonomous community of Basque Country, northern Spain.