Tadeusz Leon Józef Zawadzki (Polish: [taˈdɛ.uʐ zaˈvat͡skʲi]; January 24, 1921 – August 20, 1943) was a Polish scout instructor, scoutmaster, Home Army second lieutenant, commander of assault groups in Warsaw, one of the protagonists of Aleksander Kamiński's book Kamienie na szaniec. Because of his beautiful, girlish appearance, he was given the nickname "Zośka", meaning "Sophia".