| Official Name: | Montarrón |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Province of Guadalajara#Spain Castile-La Mancha#Spain |
| Subdivision Type: | Country |
| Subdivision Name1: | Castilla–La Mancha |
| Area Total Km2: | 11 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Montarrón is a municipality of Spain located in the province of Guadalajara, Castile-La Mancha. As of 2004, it has a registered population of 44 (INE).