Tadeusz Popek (November 2, 1915 – September 17, 1942) was a Polish partisan and underground activist during World War II.
During the German occupation of Podhale, Popek (nom-de-guerre Waclaw Tatar, or Hak) became the co-founder of the Polish resistance organization called the Tatra Confederation (Polish: Konfederacja Tatrzanska), a.k.a.
Confederation of the Tatra Mountains, operating in the Nowy Targ area.
He was in charge of clandestine publications including Der Freie Deutsche meant for the Wehrmacht.
Popek died in Zakopane, executed by a firing squad in the courtyard of the infamous Palace Hotel.