Tomás Núñez Magdariaga * 1952 Cuba, Dissident, Cuban Dissident, Cuban Political Prisoner, Hunger Striker in Cuba and 2 more categories Cuba after 1959, Special Period in Cuba
Yulia Nykolyn Юлія Николин * 1957 Ukraine, Victim of Stalinist persecution in Ukraine, Victim of forced relocation, Relative of a political prisoner, Ukrainians in the GULAG, 1944 - 1990 and 1 more categories Ukraine in 1986–1991
Ihor Oleshchuk Ігор Олещук * 1931 Ukraine, The Deportation of peoples in the Soviet Union Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950
Alik (Oleh) Olisevych Алік (Олег) Олісевич * 1958 Human Rights Defender in Ukraine, Important cultural personality in Ukraine, Ukraine, Ukrainian Dissent Ukraine in 1986–1991
Jorge Olivera Castillo * 1961 Cuba, Dissident, Cuban Dissident, Cuban Independent Journalist, Cuban Intellectual and 2 more categories Black Spring of Cuba 2003, Cuba after 1959
Colonel Tadeusz Oratowski * 1943 Poland, Holocaust, People's Army of Poland soldier, Witnesses of local events connected to WWII, Witness of local events from the Communist era 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia
Bálint Ordódy * 1931 Hungary, Active in the 1956 Hungarian revolution, Emigrant, Déclassé, Radio Free Europe 1944-1945 Hungary at the end of the second world war , 1946-1949 nationalization of private enterprises and institutions in Hungary, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence