Riana may refer to:
Rhiannon, the horse goddess in Welsh mythology Riana Rouge, action-adventure game Riana, Tasmania, a small town in Australia
People with the given name Riana Riana Nel (born 1982) is a Namibian singer and songwriter Riana Scheepers (born 1957), Afrikaans author Marie Antoinette Riana Graharani, better known as The Sacred Riana (born 1992), Indonesian magician and illusionist; Asia's Got Talent (season 2) winner
See also Rhiana, given name Rhianna, given name Rihanna (born 1988), pop music singer from Barbados The Sacred Riana (born 13 July 1992), magician/illusionist from Indonesia