Cephaloleia laeta is a species of beetle of the family Chrysomelidae. It is found in Bolivia, Ecuador, Peru and possibly Panama.
Adults reach a length of about 7âÂÂ7.6 mm. Adults are yellow, while the eyes, antennae and scutellum are black. The pronotum has a black medial vitta and the elytron has black lateral and apical maculae.