Psilocybe weraroa (formerly Weraroa novae-zelandiae) is a secotioid fungus in the family Hymenogastraceae. It is endemic to New Zealand. This species is closely related to Psilocybe cyanescens and is in the Cyanescens phylogenetic clade. As a bluing member of the genus Psilocybe it contains the psychoactive compounds psilocin and psilocybin.