The White Dragontail, Lamproptera curius, is a species of swallowtail native to parts of South Asia and Southeast Asia. It belongs to the Dragontails genus, Lamproptera, of the Swallowtail (Papilionidae) family. It is not rare.

The butterfly is found in India from Assam to Burma. It is also found in Thailand, Laos, Vietnam, Southern China, Kampuchea, Malaysia, Indonesia, Brunei and Philippines.