The black oriole (Oriolus hosii) is a species of bird in the family Oriolidae.

[2] One of the least known of the orioles, its distribution range is restricted to Sarawak in Borneo.

[3] Along with the black-and-crimson, maroon, and silver orioles, it belongs to a clade of red and black orioles.

[4] The binomial name is after Charles Hose who collected the first specimen of the species on Mount Dulit.

[5] Its natural habitat is subtropical or tropical moist montane forests where it is threatened by habitat loss.