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) [XC616212]
by Felipe Arantes from Ca\u00f1o Lagunilla - Morelia, Caquet\u00e1, Colombia (call)
Chestnut-fronted Macaw (Ara severus) [XC273508]
by Miguel Angel Torres from RNA El Paujil, Santander, Colombia (call, call flight)
Subspecies
Usually treated as comprising two subspecies, with western populations (castaneifrons) being marginally larger, but differences likely to be clinal.