84

84 may refer to:
 * 84 (number)
 * one of the years 84 BC, AD 84, 1984, AD 2084
 * 84 Lumber, a building materials supply company
 * Eighty Four, Pennsylvania, an unincorporated census-designated place in Washington County, Pennsylvania, United States
 * Seksendört, a Turkish pop group whose name means 84
 * 84 Klio, a minor planet part of the Asteroid belt