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) [XC48089]
by Louis A. Hansen, Henrik Kisbye, Louise Pedersen, Marcel Rahner, the late Jens Otto Svendsen from Kimhandu Hill, Uluguru South F.R, Morogoro Region, Tanzania (song)
Silvery-cheeked Hornbill (Bycanistes brevis) [XC774567]
by The late Jens O. Svendsen and Louis A. Hansen from Near Kabete Springs, Lower Kabete, Nairobi County, Kenya (song)
Subspecies
Genus sometimes merged with Ceratogymna. In past, northern populations sometimes separated as subspecies omissus.