Pachliopta antiphus is a species of butterfly from the family Papilionidae (swallowtails) that is found in Sumatra, Borneo and the Philippines.

The taxonomic position of P. a. antiphus is uncertain.

It is regarded as conspecific with Pachliopta aristolochiae by Tsukada and Nishiyama (1982) and Fujioka et al. but recognized as a separate species by Page & Treadaway (1995).

The following subspecies are treated as junior synonyms of Pachliopta antiphus antiphus by Page & Treadaway (1995):

This Papilionidae-related article is a stub.