- See also changes related to Terrorism, or pages that link to Terrorism or to this page or whose text .
- Insurgency : A wide range of political and military actions intended to change a government, through means considered illegal by that government.
- Asymmetrical warfare : Conflict in which one side does not directly confront the strength of the other; often applied to guerilla warfare and terrorism but also used for high technology against a more traditional force
- Counterterrorism : A range of activities that prevent attempted terrorism well before an actual act is close to being executed, including killing or capturing terrorists; complements and can include anti-terrorism, or measures taken to minimize the impact of an attempted or completed act; counterterrorism proper is "enemy centric" rather than counterinsurgency, which is "people-centric"
- Nationalism : Strong belief that the interests of a particular nation-state are of primary importance.
- Radical Islamism : From the perspective of Western liberal democracy, the use of both political and violent methods to establish Islamist theocratic rule, either in existing democracies or in emerging states
- Radicalization : Political choices that grow from a sense, by individuals (i.e., self-radicalization) or groups in a society, that peaceful methods have brought no political dividends in terms of goals they consider legitimate
- Abdullah Azzam : A Salafist legal scholar and jihadist, who formed the Services Office supporting the Afghanistan War (1978-92) with Osama bin Laden, one of the organizations that formed al-Qaeda
- Carlos Marighella : (1911-1969) Brazilian Marxist who wrote the Minimanual for the Urban Guerrilla, with an especially strong advocacy of terrorism as a tactic
- George Grivas : (1898-1974) Greek Army officer and intense anticommunist who commanded guerrillas and wrote doctrinal manual including techniques of terrorism during the civil war in Cyprus
- Sayyid Qutb : Born in 1906, radicalized in 1951, and executed in 1966, an influential theorist of Salafist revolutionary Islam; considered one of the two spiritual fathers of al-Qaeda and the mentor of Ayman al-Zawahiri
- probably should go to catalog
- Reign of Terror : Add brief definition or description
- Great Terror : Internal Soviet investigations, mass trials, and extrajudicial detention ordered by Josef Stalin, primarily 1936-1938
- The Troubles : Add brief definition or description
- 9-11 Attack : The largest terrorist attack on the continental United States, occurring on September 11, 2001, using hijacked airliners as suicide weapons against major buildings.
Non-state organizations using terror
- Al-Qaeda : International islamist terrorist network. Responsible for the 9-11 attack and other terrorist attacks.
- ELAS (Cyprus) : Add brief definition or description
- ETA (Basque) : Add brief definition or description
- Hukbalahap : A Marxist-Leninist resistance to the WWII Japanese invasion of the Philippines, which continued as a postwar insurgency whose members were either defeated or amnestied
- Irgun : Add brief definition or description
- Irish Republican Army : Add brief definition or description
- Japanese Red Army : Add brief definition or description
- Red Army Faction : Add brief definition or description
- Revolutionary Cells : Add brief definition or description
- Red Brigades : Add brief definition or description
Quasi-state organizations using terror
- Hamas : The most powerful political and military organization in the Occupied Territories, especially the Gaza Strip; offshoot of the Muslim Brotherhood but not Salafism
- Hezbollah : An Islamist and Shi'a group, centered in Lebanon, which has conducted terrorism there and worldwide, but also acts a shadow government and provides public services
- Viet Cong : The military wing of the National Front for the Liberation of South Vietnam (NLF); a generic term for Communist forces in South Vietnam during the Vietnam War
- Liberation Tigers of Tamil Eelam : Add brief definition or description
- Viet Minh : A short name for the Communist-dominated national revolutionary movement that overthrew the colonial government of French Indochina
- Shining Path : Add brief definition or description
- Anthony Cordesman : Center for Strategic and International Studies; Board of Editors, Middle East Quarterly
- Francis Fukuyama : Professor at the School of Advanced International Studies, Johns Hopkins University, author and government adviser on global development and foreign policy; in and out of neoconservatism; adjunct fellow, Hudson Institute; director, National Endowment for Democracy, New America Foundation
- Bruce Hoffman : Terrorism author; Professor in the Security Studies Program at Georgetown University; previously an executive and researcher with the RAND Corporation; board member, Jamestown Foundation; Board, Terrorism/Counterterrorism, Human Rights Watch; Expert panel, Iraq Study Group
- Martin Libicki : Terrorism analyst at the RAND Corporation; formerly at the National Defense University, U.S. Navy staff as program sponsor for industrial preparedness' policy analyst for the U.S. General Accountability Office’s Energy and Minerals Division
- Fernando Reinares : Spanish academic and government specialist in terrorism, especially international vs. transnational distinctions and self-radicalization
- Richard Clarke : Career U.S. defense official who served in policy posts in the Ronald Reagan,George H. W. Bush, Bill Clinton and George W. Bush Administrations, specializing in counterterrorism in the latter two
- Jack Cloonan : Retired Federal Bureau of Investigation special agent, an expert on interrogation and terrorism; Liberty and Security Committee, Constitution Project; headed the FBI Osama bin Laden unit
- Assassination : Add brief definition or description
- Clandestine cell system : A method for organizing a group in such a way that it can more effectively resist penetration by an opposing organization.
- Counterinsurgency : Theory and practice of defeating insurgency without creating even more local resistance or strategic failures
- Mass casualty incident : A medical emergency where the number and severity of victims is expected to overwhelm available resources, requiring a decision to defer treatment and provide comfort care only to those who have no realistic chance of survival
- Improvised explosive device : A destructive device, not completely made from purpose-built military components, that is intended to cause destruction by means of an explosive charge and perhaps other components that increase damage
- Weapons of mass destruction : Weapons that cause death or injury not primarily through kinetic energy of projectiles or the detonation of conventional explosives, but rather produce large-scale effects greater than possible with the same weight of explosives weapons; by means heat, blast and radiation from nuclear weapon; poisoning by chemical weapon; infectious disease by biological weapons; or acute or chronic radiation syndromes from radiological weapons.