Helen Donath (born July 10, 1940) (née Helen Erwin) is an American soprano.
She was born in Corpus Christi, Texas and studied at Del Mar College in Corpus Christi and with Paola Novikova in New York.
She debuted as a concert and Lieder singer in New York. In 1961, she became a member of the Opernstudio in Köln and the Hanover Opera House. In Hanover, she met her husband, the choir master and conductor Klaus Donath.