DQZ can refer to:
* DQZ, a type of white dwarf in stellar classification; see
White dwarf#Nearest
* ''
Orussidae
The Orussidae or the parasitic wood wasps represent a small family of sawflies (" Symphyta"). Currently, about 93 extant and four fossil species are known. They take a key position in phylogenetic analyses of Hymenoptera, because they form the s ...
'', a family of flies also known as the "parasitic wood wasps", by Catalogue of Life identifier
*
Direct-quadrature-zero transformation, a type of rotation in 3D space, used in electrical engineering
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