DQ may stand for:
DQS Holding GmbH based in Frankfurt am Main is the holding company of the worldwide DQS Group. The group provides assessments and certifications of management systems and processes of any type.
DQ Herculis (or Nova Herculis 1934) was a slow, bright nova occurring in Hercules in December 1934. The nova was first observed on 13 Dec, 1934, reaching a peak brightness with an apparent magnitude 1.5 on 22 Dec, 1934. The nova remaining visible to the naked eye for several months.
Duquesne Light Holdings, Inc. (“DLH”) is an energy services holding company formed in 1989 to serve as the holding company for Duquesne Light Company and to engage in certain unregulated energy and related businesses.
DQE, or Dairy Queen Empire, is a band formed by singer/songwriter Grace Braun, New York photographer Chris Verene and former Fat Day drummer Zak Sitter in 1986 in Atlanta.
Phase-shift keying (PSK) is a digital modulation scheme that conveys data by changing (modulating) the phase of a reference signal (the carrier wave).
DQV may refer to:
Dragon Quest (Japanese: ドラゴンクエスト, Hepburn: Doragon Kuesuto), published as Dragon Warrior in North America until 2005, is a series of internationally best-selling console role-playing video game (RPG) titles created by Yuji Horii and his studio, Armor Project.
Dairy Queen, often abbreviated DQ, is a chain of soft serve ice cream and fast food restaurants owned by International Dairy Queen, Inc, a subsidiary of Berkshire Hathaway.
Dragon Quest VII: Fragments of the Forgotten Past (ドラゴンクエストVII エデンの戦士たち, Doragon Kuesuto Sebun Eden no Senshi-tachi, lit.