ZF, Z-F, or Zf may refer to: Businesses and organizations ZF Friedrichshafen, a German supplier of automobile transmissions Zionist Federation of Great Britain and Ireland, an organization established to campaign for a permanent homeland for the Jewish people Science and technology Laminas, a web framework implemented with PHP that was formerly known as Zend Framework Zermelo–Fraenkel set theory, a system of axioms in mathematical set theory Zinc finger, a protein domain that interacts with zinc ion to bind to DNA Zona fasciculata, the middle zone of the adrenal cortex Other uses Zelda Fitzgerald, wife of F. Scott Fitzgerald Z Fighters, the protagonists of the Dragon Ball saga