- Lenya Created the role of Jenny Diver in the original German production of "The Threepenny Opera", She recreated the role in the 1956 English version.
- Cabaret (1966). Musical/drama. Book by Joe Masteroff. Based on the play "I Am a Camera" by John Van Druten. Based on stories by Christopher Isherwood. Music by John Kander. Lyrics by Fred Ebb. Musical Director: Harold Hastings. Music orchestrated by Don Walker. Dance arrangements by David Baker. Scenic Design by Boris Aronson. Costume Design by Patricia Zipprodt. Choreographed by Ronald Field. Directed by Harold Prince. Broadhurst Theatre (moved to The Imperial Theatre 7 Mar 1967- 2 Oct 1968, then moved to The Broadway Theatre from 7 Oct 1968- close): 20 Nov 1966- 6 Sep 1969 (1165 performances + 21 previews that began on 2 Nov 1966). Cast: Bert Convy (as "Clifford Bradshaw"), Jack Gilford (as "Herr Schultz"), Jill Haworth (as "Sally Bowles"), Lotte Lenya (as "Fraulein Schneider"), Joel Grey (as "Master of Ceremonies"), Peg Murray (as "Fraulein Kost"), Edward Winter (as "Ernst Ludwig"), Jere Admire (as "Bobby, Kit Kat Boy"), Barbara Alston (as "Frenchie, Kit Kat Girl"), Ray Baron (as "Bartender"), Bruce Becker (as "German Sailor"), Steven Boockvor (as "German Sailor"), Frank Bouley (as "Maitre D'"), Roger Briant (as "German Sailor"), Kathie Dalton (as "Texas, Kit Kat Girl"), Mary Ehara (as "One of "Two Ladies"), Sol Frieder (as "Herr Erdmann"), Pat Gosling (as "Maria, Kit Kat Girl"), John Herbert (as "Max"), Howard Kahl (as "Custom Official"), Tresha Kelly (as "Telephone Girl"), Mara Landi (as "Frau Wendel"), Miriam Lehmann-Haupt (as "Frau Kruger"), Bert Michaels (as "Victor, Kit Kat Boy"), Eugene Morgan (as "Herr Wendel"), Jayme Mylroie (as "Greta"), Ed Nolfi (as "German Sailor"), Rita O'Connor (as "One of "Two Ladies") Marianne Selbert (as "Fritzie, Kit Kat Girl"), Robert Sharp (as "Felix"), Bonnie Walker (as "Rosie, Kat Girl"), Lynn Winn (as "LuLu, Kit Kit Girl"). Replacement actors during run included: Penny Fuller (as "Sally Bowles") [During vacation], Melissa Hart (as "Sally Bowles") [28 Jul 1969- ?], Ken Kercheval (as "Clifford Bradshaw"), Mara Landi (as "Fraulein Kost") [During vacation]. Produced by Harold Prince. Produced in association with Ruth Mitchell.
- She played Xantippe in the original Broadway production of Maxwell Anderson's "Barefoot in Athens", in 1951.
- (1962) She acted in George Tabori's play, "Brecht on Brecht," at the Royal Court Theatre in London, England in an English Stage Company production with Barry Foster, Norman Rossington, and George Devine in the cast.
- The Firebrand of Florence (1945). Musical comedy. Music by Kurt Weill. Lyrics by Ira Gershwin. Book by Edwin Justus Mayer and Ira Gershwin. Based on the play by Edwin Justus Mayer. Musical Director: Maurice Abravanel. Music arranged by Kurt Weill. Music orchestrated by Kurt Weill. Book directed by John Haggott. Choreographed by Catherine Littlefield. Lighting and Scenic Design by Jo Mielziner. Directed by John Murray Anderson. Alvin Theatre: 22 Mar 1945- 28 Apr 1945 (43 performances). Cast: Lynn Alden, Paul Best, Mary Alice Bingham, Doris Blake, Hubert Bland, John Cassidy, Perdita Chandler, Melville Cooper (as "Duke"), James Dobson, Rose Marie Elliot, Bert Freed, Norma Gentner, Walter Graf, Marion Green, Jean Guelis, Yvette Heap, Boyd Heathen, Ferdi Hoffman, Marya Iverson, Eric Kristen, Kenneth Le Roy, Lotte Lenya (as "Duchess"), Don Marshall, Allen Noel, Gedda Petry, Walter Rinner, Charles Sheldon, Frank Stevens, Gloria Story, Randolph Symonette, Beverly Tyler, William Vaux, Billy Williams, Earl Wrightson. Produced by Max Gordon.