The Ministry of National Defence is a office of government in Poland headed by the Minister of National Defence. It is responsible for the organisation and management of the Polish Armed Forces. During the Second Polish Republic and World War II it was called the Ministry of Military Affairs. Ministry budget for 2022 was 140 billion PLN.

Polish General Staff, formally known as the General Staff of the Polish Armed Forces is the highest professional body within the Polish Armed Forces. Organizationally, it is an integral part of the Ministry of National Defence and the Chief of the General Staff is the highest ranking military officer at the Ministry. It was created in 1918, and for a time bore the name Main Staff. Currently General Wiesław Kukuła holds the position of Chief of the General Staff of the Polish Armed Forces.