Magdaléna Hajóssyová (born 25 July 1946, in Bratislava) is a classical Slovak soprano who has had an active international career singing in operas, concerts, and recitals since the late 1960s. She has been particularly active at the Prague State Opera where she has been a principal artist since 1972. She has also had a long and fruitful partnership with the Berlin State Opera beginning in 1975. In 1977, 1981, and 1987, she won the Berlin Critic's Prize for her portrayal of the roles of Margarete in Charles Gounod's Faust, the Elektra in Mozart's Idomeneo, Carl Maria von Weber's Euryanthe, and Christoph Willibald Gluck's Iphigénie en Aulide.