Marian Pisarek (3 January 1912 – 29 April 1942), was a Polish fighter pilot, a flying ace of World War II, with 11 planes confirmed shot down and an additional three probable.

Eventually, via Casablanca and Gibraltar, several Polish pilots arrived in Great Britain to join the Royal Air Force.

In early August 1940, Lt. Marian Pisarek joined 303 "Kosciuszko" Squadron, and took part in the Battle of Britain.

Squadron Leader Piotr Ozyra (of 317 Sqn) and Wing Commander Pisarek were shot down and killed.

With Great Sacrifice and Bravery: The Career of Polish Ace Waclaw Lapkowski Pages 128–129.