Maria Ofelia Erenia Nieto Iglesias (stage name, Ofelia Nieto; Algete, March 18, 1898 – Madrid, 22 May 1931) was a Spanish opera and zarzuela singer. She was the daughter of José Nieto Méndez, a notary of Burgos, and Erundina. She was a sister of Ángeles Ottein and José Nieto, who were also opera and zarzuela singers.^[1] Nieto was 14 when she debuted in Amadeu Vives i Roig's Maruxa in the title role. After marriage, she retired in 1928.^[2]