Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, Venezuela.
Introduced to USA (B).
Eastern Panama and Colombia southern and east through Ecuador, eastern Peru and northern Bolivia to central and north-eastern Brazil, Venezuela and the Guianas.
 
Population
Estimated population is unknown (2010).
Chestnut-fronted Macaw (Ara severus) [XC716854]
by Robson Silva e Silva from Fonte Boa, Amazonas, Brazil (flight call, song)
Chestnut-fronted Macaw (Ara severus) [XC245347]
by Oscar Humberto Mar\u00edn G\u00f3mez & Natalia Perez Amaya from Bosque de Don Gregorio, Vereda Caribabare, Tame, Arauca, Colombia (song)
Subspecies
Usually treated as comprising two subspecies, with western populations (castaneifrons) being marginally larger, but differences likely to be clinal.