This list includes revolutionary organizations aimed at liberating and unifying Greek-inhabited territories into the historical national state of Greece.

Organization	Active	Notes	Image
Ellinoglosso Xenodocheio	1814	Established in Paris. Provided education for Greeks and prepared for a future struggle against Ottoman rule.
Filiki Etaireia	1814–21	Established in Odessa. Organizer of the Greek War of Independence.
Ethniki Etaireia	1894–96	Established in Athens. Advocated for the liberation of all Greek-inhabited territories. Considered to be responsible for the start of the Greco-Turkish War (1897).
Hellenic Macedonian Committee	1890s–1908	Established in Athens. Headquartered in the Greek consulate of Thessaloniki. Coordinator of Greek efforts during the Macedonian Struggle.
Panepirotic Assembly	1914	Established in Argyrokastro. Declared independence from Albania and the creation of the Autonomous Republic of Northern Epirus.
EOKA	1955–59	Established in British Cyprus. Waged a guerilla war against the British to achieve union with Greece, causing the Cyprus Emergency. Led to the independence of Cyprus.
EOKA B	1971–74	Established in the Republic of Cyprus. Involved in the 1974 Cypriot coup d'état and the Turkish invasion of Cyprus.

• Greek War of Independence
• Megali Idea
• Enosis
• Northern Epirus
• Republic of Pontus