| Official Name: | Piérnigas |
| Settlement Type: | Municipality and town |
| Postal Code: | 09246 |
| Established Title: | Founded |
| Established Date: | 26 August 1066 |
| Area Total Km2: | 13 |
| Elevation M: | 729 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Website: | http://www.piernigas.es/ |
Piérnigas is a municipality and town located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 38 inhabitants.