Calyptocephala brevicornis is a species of beetle of the family Chrysomelidae. It is found in Argentina (Misiones), Brazil (Amapa, Amazonas, Goiás, Matto Grosso, Minas Gerais, Parana, Rio Grande do Sul, São Paulo), Colombia, Guatemala, Mexico (Veracruz), Nicaragua, Panama, Paraguay and Venezuela.
The recorded host plants for this species are Arecastrum romanzoffiana, Elaeis guineensis, Chamaedorea tepejilote, Chamaedorea wendlandiana, Dioscorea and Chusquea species.