Union of Fighters

Union of Fighters may refer to:


 * Association of Fighters of Yugoslavia, Yugoslav nationalist organization
 * A unit of Greek-Cypriot nationalist organization EOKA (1955–59)
 * "Pan-Hellenic Union of Fighters", active in the Greek Civil War (1946–49)
 * National Union of Freedom Fighters, active in Trinidad and Tobago (1970s)
 * Union of Islamic Fighters, active in the Soviet–Afghan War