Spialia ploetzi, the forest grizzled skipper, is a butterfly in the Hesperiidae family. It is found in Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, Cameroon, Gabon, the Republic of the Congo, Angola, the Democratic Republic of the Congo, Uganda, Kenya and Tanzania. The habitat consists of forests. The larvae feed on Triumfetta species.