Tadeusz

Tadeusz is a Polish first name, derived from Thaddaeus.

Tadeusz can refer to:

• Tadeusz Bór-Komorowski, Polish military leader
• Tadeusz Borowski, Polish writer and Holocaust survivor.
• Tadeusz Boy-Żeleński, Polish gynaecologist, writer, poet, art critic, translator of French literary classics and journalist
• Tadeusz Brzeziński, Polish consular official and the father of President Jimmy Carter's national security adviser, Zbigniew Brzezinski
• Tadeusz Czeżowski, Polish philosopher and logician
• Tadeusz Dołęga-Mostowicz, Polish journalist and author of over a dozen popular novel]s
• Tadeusz Drzazga, Polish weightlifter
• Tadeusz Kantor, Polish artist and theatre-maker
• Tadeusz Kassern, Polish composer
• Tadeusz Wladyslaw Konopka, American actor
• Tadeusz Konwicki, Polish writer
• Tadeusz Kościuszko, Polish national hero
• Tadeusz Kotarbiński, pupil of Kazimierz Twardowski
• Tadeusz Krwawicz, Polish pioneer in medicine
• Tadeusz Kurcyusz, commandant of Narodowe Sily Zbrojne
• Tadeusz Łomnicki, Polish actor
• Tadeusz Miciński, Polish poet and playwright
• Tadeusz Piotrowski (mountaineer), mountaineer and writer
• Tadeusz Piotrowski (sociologist), sociologist and author of books about Holocaust and the history of Poland
• Tadeusz Rejtan, Polish nobleman
• Tadeusz Różewicz, Polish poet and writer
• Tadeusz Rut, Polish hammer thrower
• Tadeusz Sapierzyński, Polish army officer
• Tadeusz Swietochowski, American historian and Caucasologist
• Tadeusz Ślusarski, Polish Olympic gold medalist in pole vault at the 1976 Olympics
• Tadeusz Tański, Polish automobile engineer and the designer of, among others, the first Polish serially-built automobile
• Tadeusz Tomaszewski, Polish politician, Member of the Parliament
• Tadeusz Ważewski, Polish mathematician
• Tadeusz Żychiewicz (1922–1994), Polish journalist, art historian and publicist

In culture Tadeusz can refer to:

• Pan Tadeusz, an epic poem by Adam Mickiewicz