The horned owls are a genus (Bubo) of 17 species of typical owls which are found in many parts of the world. Horned owls are among the largest owls.

The species are:

  • Great Horned Owl (Bubo virginianus)
    • South American Great Horned Owl (Bubo virginianus nacurutu)
  • Eurasian Eagle Owl (Bubo bubo)
  • Magellanic Horned Owl (Bubo magellanicus)
  • Rock Eagle-Owl (Bubo bengalensis)
  • Pharaoh Eagle-Owl (Bubo ascalaphus)
  • Cape Eagle-Owl (Bubo capensis)
  • Spotted Eagle-Owl (Bubo africanus)
  • Grayish Eagle-Owl (Bubo cinerascens)
  • Fraser's Eagle-Owl (Bubo poensis)
  • Usambara Eagle-Owl (Bubo vosseleri)
  • Spot-bellied Eagle-Owl (Bubo nipalensis)
  • Barred Eagle-Owl (Bubo sumatranus)
  • Shelley's Eagle-Owl (Bubo shelleyi)
  • Verreaux's Eagle-Owl (Bubo lacteus)
  • Dusky Eagle-Owl (Bubo coromandus)
  • Akun Eagle-Owl (Bubo leucostictus)
  • Philippine Eagle-Owl (Bubo philippensis)