The Grey-breasted partridge (Arborophila orientalis), also known as the white-faced hill-partridge or Horsfield's hill-partridge, is a species of partridge in the Phasianidae family. It is a monotypic species that is endemic to highland forests in eastern Java, Indonesia. Measuring 28 cm (11 in), this species is a stocky, short-legged bird. Its mostly grey plumage is barred on the lower back and tail. It has a black crown and nape, and conspicuous white forehead, cheeks and throat. Bare skin around the eyes is red. The bill is black and the legs are red.