The Tagula butcherbird (Cracticus louisiadensis) is a species of bird in the family Artamidae. It is endemic to the lowland forests of Tagula Island in Papua New Guinea. It occupies less than 800km<sup>2</sup> and has an estimated population of 11,500 to 23,000 individuals.
The species was first described by Henry Baker Tristram in 1889. It is monotypic, with no recognized subspecies.
The bird is described as large.
The plumage is mainly black, with white patches on the shoulder, wing, and tail.