Kazimierz Moczarski was a Polish writer and journalist, officer of the Polish Home Army and member of the resistance. Moczarski is a cult figure in Polish history.

Born on July 21, 1907 in Warsaw, Moczarski was the son of Jan Damazy, teacher and school principal, and Michalina Franciszka née Wodzinowska, also a teacher. Kazimierz began studying law at Warsaw University in October 1926. During his studies, he was drafted to Reserve Infantry Battalion No.9 and served at Bereza Kartuska in 1929–1930 for 10 months. Following his graduation in December 1932, he continued his studies in France at the Institute of Higher International Studies of Paris University. In 1935, he returned to Warsaw and became an advisor to the Ministry of Labor and Social Services, specializing in Polish and international law. He was also a member of the “Youth Legion,” and a member of the progressive organization “Labor Club Maurycy Mochnacki.” In 1937, he took part in the setting-up of the Democratic Club of Warsaw. Their first meeting took place at his own Warsaw apartment.