ZF explained

ZF, Z-F, or Zf may refer to:

Groups, organizations, companies

ZF Friedrichshafen (ZF, originally Zahnradfabrik Friedrichshafen), the 'ZF Group', a German supplier of automobile transmissions
Z+F UK (Zoller & Fröhlich), a laser measurement and scanning equipment supplier
Ziarul Financiar (zf.ro), a Romanian financial newspaper
Zionist Federation of Great Britain and Ireland, an organization established to campaign for a permanent homeland for the Jewish people

Laminas, a web framework implemented with PHP that was formerly known as Zend Framework
Zero flag (ZF, Z), in computing, in microprocessors
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
zeptofarad (zF), 10^-21F (farads)
zettafarad (ZF), 10⁺²¹F (farads)
ZF, the catalogue entry prefix for the ZFOURGE galaxy survey

Zugsführer (ZF, de|link=no|Zgf||platoon leader), an Austrian Bundesheer equivalent to Master Corporal (OR-4)
Zugführer (ZF, de|link=no|ZgFhr||platoon leader), a German/Swiss non-commissioned appointment equivalent to the commissioned Second Lieutenant (OF-1)
Zelda Fitzgerald (Z. F.; 1900–1948), wife of F. Scott Fitzgerald