- Pulsatrix perspicillata (Spectacled Owl)
- Pulsatrix perspicillata boliviana
- Pulsatrix perspicillata chapmani
- Pulsatrix perspicillata perspicillata
- Pulsatrix perspicillata pulsatrix
- Pulsatrix perspicillata saturata
- Pulsatrix perspicillata trinitatis
- Pyrroglaux podarginus (Palau Owl)
- Sceloglaux albifacies (Laughing Owl)
- Scotopelia bouvieri (Vermiculated Fishing-Owl)
- Scotopelia peli (Pel’s Fishing-Owl)
- Scotopelia ussheri (Rufous Fishing-Owl)
- Strix aluco (Tawny Owl)
- Strix aluco aluco
- Strix aluco biddulphi
- Strix aluco harmsi
- Strix aluco ma
- Strix aluco mauritanica
- Strix aluco nivicola
- Strix aluco sanctinicolai
- Strix aluco siberiae
- Strix aluco sylvatica
- Strix aluco willkonskii
- Strix aluco yamadae
- Strix butleri (Hume’s Owl)
- Strix chacoensis (Chaco Owl)
- Strix davidi (Pere David’s Owl)
- Strix fulvescens (Fulvous Owl)
- Strix hylophila (Rusty-barred Owl)
- Strix leptogrammica (Brown Wood-Owl)
- Strix leptogrammica bartelsi
- Strix leptogrammica caligata
- Strix leptogrammica chaseni
- Strix leptogrammica leptogrammica
- Strix leptogrammica maingayi
- Strix leptogrammica newarensis
- Strix leptogrammica ochrogenys
- Strix leptogrammica vaga
- Strix nebulosa (Great Gray Owl)
- Strix nebulosa lapponica (elisabethae)
- Strix nebulosa nebulosa
- Strix occidentalis (Spotted Owl)
- Strix occidentalis caurina (Spotted Owl (Northern))
- Strix occidentalis lucida (Spotted Owl (Mexican))
- Strix occidentalis occidentalis (Spotted Owl (California))
- Strix ocellata (Mottled Wood-Owl)
- Strix ocellata grandis
- Strix ocellata grisescens
- Strix ocellata ocellata
- Strix rufipes (Rufous-legged Owl)
- Strix rufipes rufipes
- Strix rufipes sanborni
- Strix seloputo (Spotted Wood-Owl)
- Strix seloputo seloputo
- Strix seloputo wiepkeni
- Strix uralensis (Ural Owl)
- Strix uralensis fuscescens
- Strix uralensis japonica
- Strix uralensis liturata
- Strix uralensis uralensis
- Strix varia (Barred Owl)
- Strix varia georgica
- Strix varia helveola
- Strix varia sartorii
- Strix varia varia
- Strix woodfordii (African Wood-Owl)
- Strix woodfordii nigricantior
- Strix woodfordii nuchalis
- Strix woodfordii umbrina
- Strix woodfordii woodfordii
- Surnia ulula (Northern Hawk Owl)
- Surnia ulula caparoch
- Surnia ulula tianschanica
- Surnia ulula ulula
- Uroglaux dimorpha (Papuan Hawk-Owl)
- Xenoglaux loweryi (Long-whiskered Owlet)