Count Karol Lanckoroński (German: Karl Lanckoronski) (born 4 November 1848 in Vienna; died 15 July 1933 in Vienna) was a Polish writer,[Lanckoroński Foundation 1] art collector, patron, historian, traveler, and vice-president of the Society for Cultural Protection in his native Galicia.

Count Lanckoroński studied art history and law, but because of his family's wealth never had to work for a living.

[1] Further travels took him to East Asia, where he was accompanied by the painter Hans Makart, as well as Spain and Portugal.

After World War I, he spent more time at his family estate in Galicia, in newly independent Poland.

He was the father of Countess Karolina Lanckorońska, who became a well-known historian and Polish anti-Nazi resistance fighter during the German occupation of Poland.