Probaenia iheringi is a species of beetle of the family Chrysomelidae. It is found in Brazil (Amazonas).
Adults reach a length of about 6-6.5 mm. Adults are yellow, with the head and antennae black. The posterior angle of the elytra is laterally produced into a sharp tooth and there is a small spot near the scutellum, as well as an apical and lateral band (which is interrupted at the middle) and two bands (anterior and posterior) which are bronze- or bluish-black.
The food plant is unknown.