Ferdinand Čatloš (October 7, 1895 in Liptovský Peter, Liptó County, Kingdom of Hungary – December 16, 1972 in Martin, Czechoslovakia) was a Slovak military officer and politician. Throughout his short career in the administration of the Slovak Republic he held the post of Minister of Defence. He was also the commanding officer of the Field Army Bernolák during the Invasion of Poland and Operation Barbarossa. At the conclusion of World War II, he was imprisoned for three years and released in 1948. He spent the remainder of his life working as an ordinary clerk in Martin, Czechoslovakia.