Cabinet of Leon Kozłowski

Cabinet of Leon Kozłowski (Rząd Leona Kozłowskiego) - cabinet headed by Prime Minister Leon Kozłowski, appointed by President Ignacy Mościcki on May 15, 1934 and serving until its resignation on March 28, 1935.
 * Leon Kozłowski (BBWR) - Prime Minister
 * Józef Piłsudski - Minister of Military Affairs
 * Bronisław Piernacki (BBWR) - Minister of Internal Affairs
 * Józef Beck (BBWR) - Minister of Foreign Affairs
 * Władysław Marian Zawadzki (BBWR) - Minister of the Treasury
 * Czesław Michałowski - Minister of Justice
 * Wacław Jędrzejewicz (BBWR) - Minister of Religions and Public Enlightenment
 * Bronisław Nakoniecznikow-Klukowski - Minister of Agriculture and Rural Reforms
 * Michał Butkiewicz - Minister of Connection
 * Emil Kaliński - Minister of Post
 * Henryk Floyar-Rajchman - Minister of Industry and Commerce
 * Jerzy Paciorkowski - Minister of Labor and Public Services

Changes:
 * June 16, 1934 - Prime Minister Kozłowski became Acting Minister of Internal Affairs in place on assassinated (on June 15) Piernacki
 * June 28, 1934 - Juliusz Poniatowski replaced Nakoniecznikow-Klukowski as Minister of Agriculture Marian Zyndram-Kościałkowski became Minister of Internal Affairs