Orenco may refer to:
- Orenco Station, a planned community in Hillsboro, Oregon, United States
- Orenco, Oregon, a former town and current neighborhood in Hillsboro, Oregon, United States
- Oregon Nursery Company, a former company whose name was combined to make the term Orenco
- Orenco/Northwest 231st Avenue (MAX station) a light rail train stop in Hillsboro, Oregon, United States
- Orenco (aircraft manufacturer), a defunct American aircraft manufacturer