Graphium antheus, the large or larger striped swordtail, is a species of butterfly in the family Papilionidae (swallowtails), found in tropical and sub-Saharan Africa. The wingspan is 65–70 mm in males and 70–75 mm in females. The flight period is year round, peaking from November to December. The larva feed on Uvaria caffra, Artabotrys monteiroae, Annona reticulata, Annona senegalensis, Artabotrys brachypetalus, Cleistochlamys kirkii, Hexalobus monopetalus, Landolphia ugandensis, Monanthotaxis caffra, Monodora junodi, and Uvaria kirkii.