Hypolimnas dinarcha, the large variable diadem or large variable eggfly, is a butterfly in the family Nymphalidae. It is found in Sierra Leone, Liberia, Ivory Coast, Ghana, Nigeria, Cameroon, Gabon, the Republic of the Congo, Angola, the Democratic Republic of the Congo, the Central African Republic, Uganda, Kenya and Tanzania. The habitat consists of heavy lowland forests and secondary forests with a closed canopy.