Strigidae
- Western Screech Owl Megascops kennicottii
- Pacific Screech Owl Megascops cooperi
- Tropical Screech Owl Megascops choliba
- Bare-shanked Screech Owl Megascops clarkii
- Middle American Screech Owl Megascops guatemalae
- Vermiculated Screech-Owl Megascops vermiculatus
- Great Horned Owl Bubo virginianus
- Mottled Owl Ciccaba virgata
- Black-and-white Owl Ciccaba nigrolineata
- Crested Owl Lophostrix cristata
- Spectacled Owl Pulsatrix perspicillata'
- Costa Rican Pygmy Owl Glaucidium costaricanum
- Central American Pygmy Owl Glaucidium griseiceps
- Ferruginous Pygmy Owl Glaucidium brasilianum
- Burrowing Owl Athene cunicularia Rare/Accidental
- Unspotted Saw-whet Owl Aegolius ridgwayi
- Striped Owl Pseudoscops clamator
- Stygian Owl Asio stygius Rare/Accidental
- Short-eared Owl Asio flammeus Rare/Accidental
Read more about this topic: List Of Birds Of Costa Rica