Shimonia splendida is a moth in the Cossidae family. It is found in the north-eastern part of Democratic Republic of Congo and western Uganda. The wingspan is 45 mm for males. The forewings are pale greyish-ochre with a dark olive terminal and subterminal line. There is a sepia discal spot in the cell and there are several olive faded lines. The hindwings are pale greyish-ochre, with a faded reticulated pattern of strong olive.