Nelly van Ree Bernard (as a stage name without hyphen), born Nellij Bernard (Teteringen, 24 November 1923 - Bennebroek, 2 February 2010), was an artist, musician and musicologist. Early in her life, she designed furniture and was an interior designer; in her latter days, she designed art with the computer. She became internationally known for her reconstruction of ancient musical instruments. She was a pioneer in scientific research on the clavichord.