The Taliabu masked owl (Tyto nigrobrunnea), also known as the Taliabu owl or the Sula Islands barn owl, is an owl in the barn owl family, Tytonidae. This is one of the two groups of owls, the other being the typical owls, family Strigidae. It is endemic to Taliabu Island of Indonesia.
This species was first identified in 1938 when the type specimen, an adult female, was collected. The species was not seen again until 1991, but has since been observed on at least 16 separate occasions.