| Type: | Municipality |
| Official Name: | Tubilla del Lago |
| Postal Code: | 09453 |
| Area Total Km2: | 23.21 |
| Elevation M: | 894 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Tubilla del Lago is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality had a population of 170 inhabitants.