ZPG may stand for: Zero population growth, a condition of demographic balance where population remains constant over time Zero Population Growth, the former name of the organisation Population Connection zpg, the ISO 639-3 code for the Guevea De Humboldt Zapotec language Z.P.G., a 1972 science fiction film ZPG-3W, a non-rigid airship built by the Goodyear Aircraft Company ZPG plc, a property business