Inmates
- Aart Alblas, Dutch navy officer, resistance member and Engelandvaarder (Mauthausen)
- Bernard Aldebert, French cartoonist (Gusen)
- Otakar Batlička, journalist and member of the Czech resistance, radio amateur and illegal radio operator
- Józef Bednorz, Polish politician and journalist
- Ludovico Barbiano di Belgiojoso, Italian architect of group BBPR (creator of Memorial Gusen) (Gusen)
- Antonio García Barón, Spanish anarchist who fought with the Durruti Column (Mauthausen)
- Francisco Boix, Spanish republican and photographer (he achieved take out 2.000 photos of the camp taken by the SS)
- Marcelino Bilbao Bilbao, Spanish anarchist.
- Lucien Bunel - Père Jacques de Jesus, French Carmelite monk (Louis Malle dedicated to him his movie "Au revoir, les enfants") (Gusen)
- Jan Buzek, Polish politician from Czechoslovakia
- José Cabrero Arnal, Spanish-French cartoonist
- Marcel Callo, French activist of JOC beatified by Pope John Paul II (Gusen)
- Aldo Carpi, Italian artist and university professor; author of memoirs covering his stay in Mauthausen and Gusen I (Gusen)
- Jean Cayrol, French writer and poet (Gusen)
- Józef Cebula, Catholic priest and martyr, beatified by Pope John Paul II
- Stanisław Cerklewicz, (1940 to 1946 at Mauthausen-Gusen) - A Polish Army Officer - Once libertated by the Americans he continued fighting in Italy before moving to the UK with his Italian wife - Triesta Bottoni-Cerklewicz.
- René Cogny, French soldier
- Józef Cyrankiewicz, Polish prime minister (1947–1952 and 1956–1970)
- Józef Czempiel, Polish Catholic priest and martyr, beatified
- Antoni Czortek, Polish boxer
- Stanisław Dobosiewicz, Polish writer
- Štefan Dubček, Slovak communist, father of Alexander Dubček
- Władysław Dworaczek, Polish educator
- Anthony Faramus, British actor
- Adolf Fierla, Polish poet and writer
- Leopold Figl, Austrian Chancellor (1945–1953) and Foreign Minister (1953–1959)
- Stefan Filipkiewicz, Polish painter
- Éva Földes, Hungarian author
- Roman Frister, Polish journalist
- János Garay, Hungarian fencer
- Oszkár Gerde, Hungarian fencer
- Edward Godlewski, Colonel of the Polish Army and one of the leaders of the Home Army
- Johann Gruber, Austrian Catholic priest and resistance fighter (nicknamed: "Papa Gruber" or "The Saint of Gusen") (Gusen)
- Stanisław Grzesiuk, Polish poet and singer, author of Pięć lat kacetu (Five Years of KZ) (Gusen)
- Israel Gutman, Polish historian
- Győző Haberfeld, Hungarian gymnast
- Karel Hašler, Czech actor, songwriter and singer
- Roger Heim, French member of Académie française (Gusen)
- Pierre Jeanpierre, French soldier and resistance member
- Jan Jesenský, Jr., Czechoslovakian scientist
- János Kádár, later Prime Minister of Hungary, escaped being transferred to Mauthausen
- Iakovos Kambanelis, Greek writer
- Dmitry Karbyshev, Russian general
- Jerzy Kaźmirkiewicz, Polish scientist
- Wilhelm Kling, German communist
- Bartholomew Kubat, Czechoslovakian scientist
- Włodzimierz Laskowski, Polish Catholic priest and martyr, beatified (Gusen)
- Jan Łęga, Polish politician and cultural worker
- Artur London, Czechoslovakian communist
- Witold Dzierżykraj-Morawski, a Colonel of the Polish Army, posthumously promoted to the rank of General
- Gilbert Norman, SOE agent
- Antonín Novotný, president of Czechoslovakia (1957–1968)
- Gottfried Ochshorn, member of the French Resistance
- Bernard Offen
- Jan Stanisław Olbrycht, Polish lawyer and university professor
- David Olère, Polish artist
- Jean Origer, Luxembourgian cleric and director of the Luxemburger Wort
- Wiktor Ormicki, Polish geographer and university professor
- Giuseppe Pagano, Italian architect
- Vincenzo Pappalettera, Italian young antifascist in 1967 published "Tu passerai per il camino" ("You are going to pass through the chimney") an account of Mauthausen's tortures
- František Pecháček, Czech gymnast
- Peter van Pels, known as Peter van Daan in the diary of Anne Frank, one of seven other Jews to hide with her in Amsterdam.
- Otto Peltzer, German middle distance runner
- Karol Piegza, Polish writer, teacher and folklorist
- Avgust Pirjevec, Slovenian literary historian (Gusen)
- Josef Podlaha, Czechoslovak surgeon, clinic head physician, Brno Masaryk University professor and Faculty of Medicine dean
- Ivan Potrč, Slovenian writer and playwright
- Kazimierz Prószyński, Polish inventor and pioneer of film making
- Gustaw Przeczek, Polish writer and teacher
- Heinrich Rau, East German politician
- Lionel Romney, an African American sailor in the US Merchant Marine
- Tibor Rubin, Hungarian-born American soldier
- Kazimierz Rusinek, Polish Minister of Labour and Social Affairs 1945-1952.
- Bernat Rosner, Hungarian lawyer
- William Salcer, Czech inventor
- Henryk Sławik, a Polish diplomat who saved over 5000 Jews during the war
- Karol Śliwka, a Polish politician from Czechoslovakia
- Ota Šik (Otto Schick), Czechoslovakian communist economist and politician
- Mike Staner, Polish author
- Stanisław Staszewski, Polish architect and poet
- Brian Stonehouse, British painter and Special Operations Executive
- Itzchak Tarkay, Austrian-born Israeli painter
- Grzegorz Timofiejew, Polish poet
- Štěpán Trochta, Czech priest
- Prežihov Voranc, Slovenian writer and Communist activist
- Simon Wiesenthal, hunter of Nazi war criminals and author of several books, including two on the camp
- Artur Woźniak, Polish footballer
- Osvald Závodský, Czechoslovak communist, Spanish Civil War fighter
- Löwy Adolf, (Láng András), Hungarian from Budapest
- Löwy Dezsö, Hungarian from Budapest
Read more about this topic: List Of Mauthausen-Gusen Inmates