Malvina Garrigues, later Malvina Schnorr von Carolsfeld (7 December 1825 – 8 February 1904) was a Portuguese operatic soprano who was born in Denmark and made her career in Germany.
She and her husband Ludwig Schnorr von Carolsfeld created the title roles in Richard Wagner's Tristan und Isolde in 1865.
Her given name also appears as Malwina and Malwine but Malvina is the correct spelling.