Cephaloleia luctuosa is a species of beetle of the family Chrysomelidae. It is found in Colombia and Panama.
Adults reach a length of about 6âÂÂ7 mm. The head and scutellum are black. The antennae are either entirely black or antennomeres 8âÂÂ11 are yellow. The pronotum is reddish-yellow with black quadrangular macula medially of the anterior margin extending towards the base. The elytron is black with a yellow vitta.