Hilary Jastak (3 March 1914 – 17 January 2000) was a Polish Catholic priest prelate, Doctor of Theology, Chaplain of Solidarity movement, Major of Polish Armed Forces, Lieutenant Commander of Polish Navy. Jastak was born in Kościerzyna. In 1934, he entered the Seminary in Pelplin. On 7 June 1941 in Warsaw, he was ordained as a priest by the Archbishop of Warsaw, Stanisław Gall. During the World War II, Jastak was vicar in Lubania, Józefów, Goszczyno (where he joined the Armia Krajowa), Sulejów, Strachówko, Gołubie and Pogódki. In 1946, Jastak became the Chaplain of Caritas in Gdynia. In July 1