Ethiopia, Kenya, Malawi, Mozambique, South Africa, Sudan, Tanzania [United Republic of], Zambia, Zimbabwe.
Vagrant to Eritrea.
Ethiopian Highlands, south-eastern Sudan and central Kenya south to eastern and southern Tanzania and Malawi; and central Mozambique to south-eastern Zimbabwe.
 
Population
Estimated population is unknown (2010).
Silvery-cheeked Hornbill (Bycanistes brevis) [XC430158]
by Louis A. Hansen from Arusha National Park, big clearing above Fig Tree, Arusha Region, Tanzania (song)
Silvery-cheeked Hornbill (Bycanistes brevis) [XC154736]
by Hans Matheve from Taita Hills, Chawia Forest, Kenya (call)
Subspecies
Genus sometimes merged with Ceratogymna. In past, northern populations sometimes separated as subspecies omissus.