Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.
Eastern and southern Venezuela, the Guianas, and south-eastern Colombia (Vichada and Amazonas), eastern Ecuador, eastern Peru and northern Bolivia (eastern Pando) eastern across most of Amazonian Brazil (east to Marajó I and western Maranhío, south to northern Rondônia).
 
Population
Estimated population is unknown (2010).
Green Oropendola (Psarocolius viridis) [XC512856]
by Mauricio \u00c1lvarez-Rebolledo (Colecci\u00f3n de Sonidos Ambientales - Instituto Humboldt) from Reserva Natural La Isla Escondida, Orito, Putumayo, Colombia (song)
Green Oropendola (Psarocolius viridis) [XC705256]
by Fernando Igor de Godoy from A\u00e7ail\u00e2ndia, A\u00e7ail\u00e2ndia, Maranh\u00e3o, Brazil (song, single song)
Subspecies
No subspecies.
Analysis of mitochondrial DNA indicates present species is closer to Amazonian Oropendola (Psarocolius yuracares) than to Crested Oropendola (Psarocolius decumanus). Populations in north-eastern Peru sometimes separated as subspecies flavescens (described from Xeberos, in eastern Peru), but this separation seems unwarranted.