The oriental bay owl (Phodilus badius) is a type of bay owl, usually classified with barn owls. It is completely nocturnal, and can be found throughout Southeast Asia. It has several subspecies. It has a heart-shaped face with earlike extensions. The Congo bay owl (Phodilus prigoginei) was formerly classified as a subspecies of Oriental bay owl due to insufficient knowledge, but it has turned out that it might not even belong to the same genus. The Sri Lanka bay owl was also considered a subspecies. These birds prey upon small rodents, bats, birds, snakes, frogs, lizards, and large arthropods such as beetles, grasshoppers, and spiders.
A population of this species has apparently become extinct on Samar Island in the Philippines during the 20th century. It was described as Phodilus badius riverae and was only ever known from a single specimen, which was lost in a bombing raid in 1945. The validity of this taxon is uncertain; it is usually synonymized with the nominate subspecies (for reasons of biogeography) or the subspecies saturatus (from external appearance); it might be a distinct species, however.