| Official Name: | Montorio |
| Settlement Type: | Municipality and town |
| Pushpin Map: | Spain |
| Pushpin Map Caption: | Location in Spain |
| Coordinates: | 42.5839°N -3.7767°W |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Castile and León |
| Subdivision Type2: | Province |
| Subdivision Name2: | Burgos |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Odra-Pisuerga |
| Leader Title: | Mayor |
| Leader Name: | Emilio Marcos Serna |
| Area Total Km2: | 23.53 |
| Elevation M: | 944 |
| Population Density Km2: | auto |
| Population Demonym: | Montorianos |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 09125 |
Montorio is a municipality and town located in the province of Burgos, Castile and León, north-central Spain. According to the 2009 data from INE, the municipality has a population of 200 inhabitants.