Daisy Rasammah Daniels, known popularly as Rukmani Devi (15 January 1923 – 28 October 1978: Sinhala: රුක්මණී දේවී) was a Sri Lankan film actress and singer who was often acclaimed as "The Nightingale of Sri Lanka". She made it to the silver screen via the stage and had acted in close to 100 films at the time of her death. Having an equal passion for singing as well as a melodious voice, she was Sri Lanka's foremost female singer in the gramophone era. After her death, she was awarded the Sarasaviya 'Rana Thisara'- Life Time Achievement Award at the 1979 Sarasaviya Awards Festival.