QKZ Views 4 meanings found QKZ serves as the regional code for Konstanz, Germany, and is also the abbreviation for the quantum Knizhnik‑Zamolodchikov equation in theoretical physics, as well as a German quality‑control centre. Miscellaneous quantum Knizhnik Zamolodchikov quantized Knizhnik Zamolodchikov Governmental QualitaetsKontrollZentrum Regional Konstanz, Germany