Kazimierz Leski, nom de guerre Bradl (21 June 1912 — 27 May 2000), was a Polish engineer, co-designer of the Polish submarines ORP Sep (1938) and ORP Orzel, a fighter pilot, and an officer in World War II Home Army's intelligence and counter-intelligence.
He is credited, during World War II, with at least 25 journeys across German-held Europe, usually in the uniform of a Wehrmacht Major General.
After the war, he was imprisoned by Poland's communist authorities.
He spent seven years on death row before being rehabilitated in 1956.