Leichhardtia archboldiana is a climbing plant in the Apocynaceae family, endemic to Papua New Guinea and Western New Guinea.
It was first described in 1995 by Paul Forster as Marsdenia archboldiana. In 2021, in a major revision of the Marsdenia genus, Forster placed the species in Leichhardtia, giving the accepted species name, Leichhardtia archboldiana.