Hoogerwerf's pheasant (Lophura inornata hoogerwerfi), also known as the Aceh pheasant or Sumatran pheasant is a medium-sized, up to long, bird of the family Phasianidae. The name commemorates the Dutch ornithologist and taxidermist Andries Hoogerwerf.
The male is a crestless bluish-black pheasant with bare red facial skin, short tail and grey legs. The female is a rufous brown bird with a dark bluish grey legs and short dark tail. Its appearance resembles, and it is usually considered as a subspecies of the Salvadori's pheasant. The female is different from the latter for having darker brown, lack of buff mottling and plainer plumage.
An Indonesian endemic, this little-known pheasant inhabits to mid-mountain forests of Gunung Leuser National Park in Aceh province. Previously known only from two female specimens, it was recently discovered in a market in Medan, North Sumatra.