Organisations designated as terrorist by the United Kingdom

The Caucasus Emirate (IK Chechen: Имарат Кавказ Imarat Kavkaz; Russian: Кавказский Эмират Kavkazskiy Emirat), also known as the Caucasian Emirate, is a militant Jihadist organisation active in southwestern Russia.

(Not to be confused with Popular Front for the Liberation of Palestine.) The Popular Front for the Liberation of Palestine – General Command (Arabic: الجبهة الشعبية لتحرير فلسطين – القيادة العامة‎‎) or PFLP-GC is a Palestinian nationalist militant organisation based in Syria.

The Kurdistan Workers' Party or PKK (Kurdish: Partiya Karkerên Kurdistanê‎) is a left-wing organization based in Turkey and Iraq.

Islam4UK was a radical Islamist group that operated in the United Kingdom.

The Red Hand Commando (RHC) was a small secretive Ulster loyalist paramilitary group in Northern Ireland, which is closely linked to the Ulster Volunteer Force (UVF).

The Liberation Tigers of Tamil Eelam (Tamil: தமிழீழ விடுதலைப் புலிகள் Tamiḻīḻa viṭutalaip pulikaḷ, Sinhalese: දෙමළ ඊළාම් විමුක්ති කොටි Dhemala īlām vimukthi koti, commonly known as the LTTE or the Tamil Tigers) was a militant organisation that was based in northern Sri Lanka.

The Abu Nidal Organization (ANO) is the most common name for the Palestinian group Fatah–The Revolutionary Council (Fatah al-Majles al-Thawry).

The Islamic Jihad Movement in Palestine (Arabic: حركة الجهاد الإسلامي في فلسطين‎‎, Harakat al-Jihād al-Islāmi fi Filastīn) known in the West as simply Palestinian Islamic Jihad (PIJ), is a Palestinian Islamist terror organization formed in 1981 whose objective is the destruction of the State of Israel and the establishment of a sovereign, Islamic Palestinian state.

Aum Shinrikyo (jap. オウム真理教), which split into Aleph and Hikari no Wa in 2007, is a Japanese doomsday cult founded by Shoko Asahara in 1984.

Al-Qaeda in the Islamic Maghreb (Arabic: تنظيم القاعدة في بلاد المغرب الإسلامي‎, translit. Tanẓīm al-Qā‘idah fī Bilād al-Maghrib al-Islāmī‎), or AQIM, is an Islamist militant organization which aims to overthrow the Algerian government and institute an Islamic state.

The Real Irish Republican Army or Real IRA, also referred to as the New IRA (since the 2012 merger), is an Irish republican paramilitary organisation which aims to bring about a united Ireland.

The Ulster Volunteer Force (UVF) is an Ulster loyalist Ulster loyalism terrorist group in Northern Ireland.

Harakat al-Shabaab al-Mujahideen (HSM; Arabic: حركة الشباب المجاهدين‎‎, Ḥarakat ash-Shabāb al-Mujāhidīn; Somali: Xarakada Mujaahidiinta Alshabaab, lit. "Mujahideen Youth Movement" or "Movement of Striving Youth"), more commonly known as Al-Shabaab (Arabic: الشباب‎, lit. '"The Youth" or "The Youngsters"'‎), is a jihadist terrorist group based in East Africa.

The Egyptian Islamic Jihad (Arabic: الجهاد الإسلامي المصري‎‎) (EIJ) formerly called simply Islamic Jihad (الجهاد الإسلامي and Liberation Army for Holy Sites) originally referred to as al-Jihad, and then the Jihad Group, or the Jihad Organization, is an Egyptian Islamist terrorist group active since the late 1970s.

Abu Sayyaf (/ˌɑːbuː/ /sɑːˌjɔːf/; Arabic: جماعة أبو سياف‎‎; Jamāʿat Abū Sayyāf, ASG; Filipino: Grupong Abu Sayyaf) is a Jihadist terror group based in and around Jolo and Basilan islands in the southwestern part of the Philippines, where for more than four decades, Moro groups have been engaged in an insurgency for an independent province in the country.

ETA (Basque: [eta], Spanish: [ˈeta]), an acronym for Euskadi Ta Askatasuna (Basque pronunciation: [eus̺kaði ta as̺katas̺una]; "Basque Country and Freedom") is an armed Basque nationalist and separatist organization in northern Spain and southwestern France.

The Provisional Irish Republican Army (IRA or PIRA) was an Irish republican paramilitary organisation that sought to remove Northern Ireland from the United Kingdom and to bring about an independent republic encompassing all of Ireland.

The United Self-Defenders of Colombia (Autodefensas Unidas de Colombia, or AUC, in Spanish) was a Colombian paramilitary and drug trafficking group which was an active belligerent in the Colombian armed conflict during the period from 1997 to 2006.

The Islamist militant group "Sheikh Omar Hadid Brigade"(الشيخ اللواء عمر حديد in Arabic), previously known (although still referred to) as a brigade of "Ansar Bait al-Maqdis" (a group more recently calling itself "Al Dalwa Al-Islamia", as of late 2014) is a known affiliate of the Islamic State in Iraq and the Levant, active in the Palestinian Territories.

Jaish-e-Mohammed (Urdu: جيش محمد‎, literally "The Army of Muhammad", abbreviated as JeM) is a Pakistan-basedDeobandijihadistgroup active in Kashmir.

Cumann na mBan (Irish pronunciation: [ˈkʊmˠən̪ˠ n̪ˠə mˠan̪ˠ]; The Irishwomen's Council), abbreviated CnamB, is an Irish republican women's paramilitary organisation formed in Dublin on 2 April 1914, merging with and dissolving Inghinidhe na hÉireann, and in 1916 it became an auxiliary of the Irish Volunteers.

The Revolutionary People's Liberation Party/Front (Turkish: Devrimci Halk Kurtuluş Partisi-Cephesi or DHKP-C) is a Marxist–Leninist party in Turkey.