The Armenian Revolutionary Federation (ARF or ՀՅԴ) (Armenian: Հայ Յեղափոխական Դաշնակցութիւն Hay Heghapokhagan Tashnagtsutiun, Դաշնակ Tashnag) (in Arabic الإتحاد الثوري الأرمني - الطاشناق) is an Armenian political party active in Lebanon since the 1920s as an official political party in the country after having started with small student cells in the late 1890s and early 20th century. The party is considered to have the biggest political support in the Lebanese Armenian community and is part of the March 8 Alliance in Lebanon.