Glossolepis leggetti, also known as Leggett's rainbowfish, is a species of rainbowfish in the subfamily Melanotaeniinae. It is only found in the Wapoga River system of northern Irian Jaya, Indonesia.
Glossolepis leggetti can reach a standard length of .
This species is named in honour of Australian aquarist-naturalist Ray Leggett (b. 1936), in recognition of his contributions to further the knowledge of freshwater fishes in the New Guinea-Australia region.