Franziska Martienssen-Lohmann, née Meyer-Estorf (6 October 1887 – 2 February 1971) was a German soprano who focused on Lieder singing, and a voice teacher who gave master classes internationally, in collaboration with her husband.

From 1930 to 1945, she worked at the Akademie für Kirchen- und Schulmusik in Berlin, from 1945 to 1949 at the Musikhochschule Weimar, and from 1950 at the Robert Schumann Konservatorium in Düsseldorf.

[4] Der wissende Sänger – Gesangslexikon in Skizzen (The cognisant singer / Lexicon of singing in sketches)[5] first appeared in Zürich in 1956 published by Atlantis Musikbuch,[6] and was republished in 2010 by Schott.

[9] A review in English considered that the book was "very readable" with a "pleasant style",[8] and recommended it to the general reader "interested in learning more about the complexities of the 'human' instrument.

[1] Sigrid Gloede and Ruth Grünhagen wrote a biography Franziska Martienssen-Lohmann – Ein Leben für die Sänger (... a life for the singers), published in 1993.