| Olaya, Antioquia | |
| Settlement Type: | Municipality and town |
| Mapsize: | 250px |
| Pushpin Map: | Colombia |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Colombia |
| Subdivision Type: | Country |
| Subdivision Name: |  Colombia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Antioquia Department |
| Subdivision Type2: | Subregion |
| Subdivision Name2: | Western |
| Coordinates: | 6.6278°N -75.8119°W |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
| Elevation M: | 500 |
Olaya is a town and municipality located in the western region of the Department of Antioquia in the Republic of Colombia. It borders to the north with the municipality of Liborina, to the east with the municipalities of Belmira and Sopetrán and to the South with Sopetrán and by the West with the municipality of Santa Fe de Antioquia. It lies at an altitude of 500 m (1,600 ft) above sea level.
Olaya is 100 kilometers away from the city of Medellín, capital of the Department of Antioquia. It has an area of 90 km2, and is the smallest municipality in the department. Olaya is also one of the oldest municipalities of Antioquia.