Amazonian Grosbeak is a widespread resident in the northern South America. east of the Andes. It is distributed from eastern Colombia (Meta, Vaupés, and Guainía) and southern and eastern Venezuela (north to Amazonas, Bolívar, and Monagas) south to central Bolivia (northern and western Santa Cruz) and east to the Guianas and all of Amazonian Brazil (Phelps and Phelps 1950, Meyer de Schauensee 1951, Hilty and Brown 1986, Sick 1997, Hilty 2003, Herzog et al. 2016).
The elevational range of Amazonian Grosbeak extends from the lowlands up to 1000 m in Venezuela (Hilty 2003); up to 1400 m in Peru (Walker et al. 2006, Schulenberg et al. 2010); and up to 1000 m (rarely to 1200 m) in Bolivia (Herzog et al. 2016).