The Golden-rumped Euphonia (Euphonia cyanocephala) is a species of bird in the family Fringillidae, formerly placed in the Thraupidae. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela.

Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and heavily degraded former forest.