| Settlement Type: | Municipality |
| Official Name: | La Masó |
| Pushpin Map: | Spain Catalonia |
| Pushpin Map Location: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Catalonia |
| Subdivision Type2: | Province |
| Subdivision Name2: | Tarragona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Alt Camp |
| Leader Title: | Mayor |
| Leader Name: | Albert Camps (2023) |
| Area Total Km2: | 3.6 |
| Area Footnotes: | [1] |
| Elevation M: | 115 |
| Population Density Km2: | auto |
| Population Demonym: | Masonenc |
| Coordinates: | 41.2367°N 1.2239°W |
La Masó is a municipality in the comarca of Alt Camp, province of Tarragona, Catalonia, Spain.
Activities include an oil refinery.