| Type: | municipality |
| Official Name: | Marlín |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Area Total Km2: | 6.39 |
| Elevation M: | 1203 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Marlín is a village and municipality located in the province of Ávila, part of the autonomous community of Castile-Leon, Spain. It has approximately 38 inhabitants.