Parnassius hardwickii, the common blue Apollo, is a high altitude butterfly which is found in South Asia. It is a member of the snow Apollo genus (Parnassius) of the swallowtail family (Papilionidae). This butterfly is found from the Chitral District to Sikkim and is found from 6,000 to 17,000 feet (1,800 to 5,200 m), making it one of the most commonly encountered species of Apollo in the Indian subcontinent.