Lukasz Cieplinski [Polish pronunciation: ['wuka? t???'pli?sk?i]] (26 November 1913 – 1 March 1951) was a Polish soldier who fought in the Polish anti-Nazi and anti-communist resistance movements.
He used various aliases: Plug, Ostrowski, Ludwik, Grzmot, and Bogdan.
Cieplinski was executed at Mokotów Prison in Warsaw, with a shot to the back of the head by the Polish secret police, Urzad Bezpieczenstwa.
For almost fifty years, his name was expunged from all books by the Communist government of the PRL.