Erika Köth (15 September 1925 – 20 February 1989) was a German operatic coloratura soprano, particularly associated with the roles of Zerbinetta and Zerlina.
Köth began a musical studies in Darmstadt with Elsa Blank in 1942, and after an interruption resumed them in 1945.
She appeared regularly at the Salzburg Festival (1955–64), as the Queen of the Night and Konstanze and Sophie, and in Bayreuth (1965–68), as the Woodbird.
Her repertory included: Susanna, Zerlina, Sophie, Despina, Queen of the Night, Lucia, Gilda, Stravinsky's Le Rossignol, and The Rake's Progress.
She can be seen on black-and-white video in the role of Rosina in a complete German performance of The Barber of Seville with Fritz Wunderlich, Hermann Prey, and Hans Hotter, and in a German performance of Don Giovanni, with Dietrich Fischer-Dieskau, Donald Grobe, Walter Berry, and Josef Greindl.