Margarita Aleksandrovna Miglau (; 16 March 1926, Lezye â 18 March 2013, Moscow) was a Soviet and Russian opera soprano. One of her major roles was Cio-Cio-San in Madama Butterfly, which she performed 173 times at the Bolshoi Theatre. She also played the role of Varya in the premiere of The Story of a Real Man.