| Brea de Tajo | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Community of Madrid |
| Subdivision Type2: | Province |
| Subdivision Name2: | Madrid |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Comarca de Las Vegas |
| Leader Title: | Mayor |
| Area Total Km2: | 44.33 |
| Population Density Km2: | auto |
| Population Demonym: | Breanos |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 40.2292°N -3.1111°W |
Brea de Tajo (pronounced as /es/) is a municipality of the autonomous community of Madrid in central Spain. It belongs to the comarca of Las Vegas.
Sights include the church of La Asunción.