| Olaya Herrera | |
| Settlement Type: | Municipality and town |
| Mapsize: | 250px |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Colombia |
| Subdivision Type: | Country |
| Subdivision Name: |  Colombia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Nariño Department |
| Population As Of: | 2020 est.[1] |
| Population Total: | 33132 |
| Coordinates: | 2.3469°N -78.3256°W |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
Olaya Herrera is a town and municipality in the Nariño Department, Colombia. Named after the former President of Colombia Enrique Olaya Herrera. Its municipal seat is known as Bocas de Satinga.
Olaya Herrera has a tropical rainforest climate (Köppen Af) with heavy to very heavy rainfall year-round.