Gouldii, a word referring to English naturalist John Gould (1804–1881), may refer to:
A. gouldii Achoerodus gouldii, the Western blue groper, a fish species in the genus Achoerodus E. gouldii Elaps gouldii, a snake species in the genus Elaps R. gouldii Ristantia gouldii, a plant species in the genus Ristantia
Subspecies Zosterops lateralis gouldii, the grey-breasted white-eye or the western silvereye, a bird subspecies found in Western Australia and South Australia
See also Gould (name) gouldiae gouldi (disambiguation)