Leona Kristina Naess (also spelt Næss) (born 31 July 1974) is an English singer and songwriter. She released her debut album, Comatised, in March 2000, which produced the single "Charm Attack" (Adult Top 40 #29).

Naess was raised in London, the daughter of Swedish interior designer Filippa Kumlin D'Orey and Norwegian mountaineer Arne Næss Jr. She attended the Purcell School in Hertfordshire, studying music composition, and later graduated from New York University with a degree in anthropology. Naess began her music career performing in New York City venues and released her first album, Comatised, in 2000.

Naess has two children and maintains a close relationship with her ex-stepmother, Diana Ross, and her former stepsisters.