QD may refer to:

Businesses and organizations

QD (retailer) QD Stores Limited (trading as Quality Discounts and QD) is a British independently-owned discount retailer operating in the United Kingdom, primarily in East Anglia and the East Midlands regions. Products stocked include a mixture of items for ...

, a chain of discount retail outlets in England * Dobrolet (airline) (IATA airline designator QD), a Russian low-cost carrier *

JC International Airlines JC International Airlines Co., Ltd. (, ) was an airline based at Phnom Penh International Airport in Cambodia.Quantum dot Quantum dots (QDs) or semiconductor nanocrystals are semiconductor particles a few nanometres in size with optical and electronic properties that differ from those of larger particles via quantum mechanical effects. They are a central topic i ...

s, in nanotechnology *

N-Gage QD The N-Gage is a mobile device combining features of a cellular phone and a handheld game system developed by Nokia, released on 7 October 2003. Officially nicknamed the ''game deck'', the N-Gage's phone works on the GSM cellular network, and s ...

, a handheld game console and smartphone * ''Dermatologicals'', a veterinary ATC code D * Queue depth, a measure of concurrency in SSD benchmarking; see

IOPS Input/output operations per second (IOPS, pronounced ''eye-ops'') is an input/output performance measurement used to characterize computer storage devices like hard disk drives (HDD), solid state drives (SSD), and storage area networks (SAN). Lik ...

Quick Disk A floppy disk is a disk storage medium composed of a thin and flexible magnetic storage medium encased in a rectangular plastic carrier. It is read and written using a floppy disk drive (FDD). Floppy disks were an almost universal data format f ...

, a type of miniature floppy disk used primarily in the 1980s

Other uses

* '' Quaque die'', "every day" in Latin; mainly pharmaceutical usage *

Quarterdeck The quarterdeck is a raised deck behind the main mast of a sailing ship. Traditionally it was where the captain commanded his vessel and where the ship's colours were kept. This led to its use as the main ceremonial and reception area on bo ...

, a raised deck behind the main mast of a sailing ship * The EU Qualification Directive ''(Directive 2011/95/EU of the European Parliament and of the Council of 13 December 2011 on standards for the qualification of third-country nationals or stateless persons as beneficiaries of international protection, for a uniform status for refugees or for persons eligible for subsidiary protection, and for the content of the protection granted)'' {{disambiguation