Rhiana Jade Griffith (born 16 April 1985) is an Australian actress, artist and model.
Griffith was born in the Hunter Region of New South Wales, Australia. She began modeling as a child, doing runway work and catalogue ads, and progressed from there to television commercials.
From there, she got her first guest-starring role on the Australian medical drama Children's Hospital, and won her first film role, as Mercia in the 1998 film 15 Amore. Shortly thereafter, she won ModelQuest98's Grand Final for the 12-to-15 division, and was cast as "Jack" in the science fiction film Pitch Black.