Käthe Odwody (born Katharina Wanek: 6 March 1901 - 23 September 1943) was an Austrian worker at a and trades union officer who became a communist against the Dollfuß dictatorship and, after 1938, against the National Socialist ("Nazi") régime. Her cover name within the Siegl resistance group was "Walli". She was executed, along with two of her resistance comrades, by guillotine at the in Vienna on 23 September 1943.