Cameroon, Central African Republic, Congo [The Democratic Republic of the], Congo [The Democratic Republic of the], Equatorial Guinea, Gabon, Ghana.
Southern Cameroon, south-western Central African Republic, Equatorial Guinea, Gabon, northern and south-western PRCongo, and northern DRCongo along major rivers east to Itombwe.
 
Population
Estimated population is unknown (2010).
Cassin's Malimbe (Malimbus cassini) [XC618656]
by Rod Cassidy from Djomo, Bayanga, Sangha-Mbare, Central African Republic (begging call, hatchling or nestling)
Cassin's Malimbe (Malimbus cassini) [XC855608]
by GO-AWAY-BIRDING with Michael Mills from Belize, Cabinda, Angola (?)
Subspecies
No subspecies.
Has been thought to form a superspecies with Red-vented Malimbe (Malimbus scutatus).