List of Famous people with last name Kaczynski

Theodore John Kaczynski, also known as the Unabomber, is an American domestic terrorist, anarchist and former mathematics professor. He was a mathematics prodigy, but abandoned his academic career in 1969 to pursue a more primitive life. Between 1978 and 1995, he killed three people and injured 23 others in a nationwide bombing campaign against people involved with modern technology. He issued a social critique opposing industrialization and advocating a nature-centered form of anarchism.

Andrew Kaczynski is an American journalist and a political reporter for CNN. He became well known in 2011 by posting old video clips of politicians, often of them making statements contrary to their current political positions, to YouTube. He was described as "the [2012] Republican primaries' most influential amateur opposition researcher".

David Kaczynski is the younger brother of Ted Kaczynski, the serial bomber dubbed the "Unabomber" by the FBI before his arrest in 1996. His memoir, Every Last Tie: The Story of the Unabomber and His Family, details his relationship with his brother and parents and the decision that David and his wife made to share their suspicion that Ted was the Unabomber with law enforcement, which led to his arrest.

Jarosław Aleksander Kaczyński is a Polish politician and lawyer who is currently serving as leader of the Law and Justice party, which he co-founded in 2001 with his twin brother, Lech Kaczyński, who served as president of Poland until his death in 2010.