Shimonia oyiekeae is a moth in the Cossidae family. It is found in the Democratic Republic of the Congo, where it has been recorded from Lubumbashi and Kolwezi. The wingspan is 37 mm. The forewings are light ochre with patches of dark ochre at the costal margin. There is a dark ochre discal spot in the centre of the median cell and a dark ocher oblique waved subterminal line. The hindwings are cream ochreous.