Ruth-Margret Pütz (born Margret Doerkes, 26 February 1930[1][2][3][a] – 1 April 2019) was a German operatic coloratura soprano and an academic voice teacher.

[4] She toured with the company to the Edinburgh Festival, where she appeared as Konstanze in Mozart's Die Entführung aus dem Serail[1] and became a member of the Stuttgart Opera.

She was successful there as Zerbinetta in Ariadne auf Naxos by Richard Strauss, performed on 6 October 1962 for the reopening of the Kleines Haus of the Staatstheater, where the opera had received its world premiere 50 years earlier.

[9] She appeared at the Vienna State Opera from 1958 and later had a guest contract, performing nine roles until 1970, including Zerbinetta, Konstanze, Susanna, Marzelline, Pamina in Mozart's Die Zauberflöte, Gilda and Sophie.

As a concert singer, she recorded Bach's Magnificat with Hertha Töpper, Gerhard Unger and Theo Adam, conducted by Hans Grischkat c.

[12] In 1968, she recorded Mozart's Requiem with Choir and Orchestra of the RAI Turin, conducted by Sergiu Celibidache, alongside Julia Hamari, Henrick Gritchnik and Ernst Gerold Schramm.

[5] Another reviewer wrote about her controlled voice in all registers, rich in overtones and with exquisite legato, in dynamic flexibility and with freely floating top notes.