- Source: DQD
DQD or dqd can refer to:
Ornithorhynchidae, a family that contains the platypus and its extinct evolutionary relatives, by Catalogue of Life code
Double Quantum Dot, a quantum technology invented by German physicist Andreas Wallraff
WisdomTree U.S. Quality Dividend Growth Variably Hedged Index ETF™, a Canadian exchange-traded fund; see List of Canadian exchange-traded funds
dqd, an operation on polyhedrons in Conway polyhedron notation