Cephaloleia h-nigrum is a species of beetle of the family Chrysomelidae. It is found in Ecuador. The name was originally misspelled as "Hnigrum" (without a hyphen) and some sources retain this misspelling (e.g.,).
Adults reach a length of about 5.4âÂÂ5.9 mm. Adults are yellowish-brown, while the antennae and head are black. The pronotum is black with pale lateral margins and elytron has a lateral black vitta and a medial black macula. The legs are yellowish-brown.