DDD

DDD can refer to, among others:

Science

• Defined Daily Dose, a World Health Organisation statistical measure of drug use
• Degenerative disc disease is a common disorder of the lower spine.
• Dichlorodiphenyldichloroethane, a breakdown product of DDT

Computers and technology

• Data Display Debugger, (Gnu DDD) a popular graphical user interface for command-line debuggers
• Direct distance dialing, a telephony innovation that enabled subscribers to call long distance numbers without having to go though an operator
• DDD, SPARS code for "Digital, digital, digital", a "pure digital" recording that is recorded, mastered, and transferred digitally, sometimes misconstrued as "Direct Digital Disc"
• Domain-driven design is a way of thinking and a set of priorities for object oriented programming

Entertainment and popular culture

• Dingdong Dantes, a popular Filipino actor
• Diners, Drive-Ins and Dives, a television series on the Food Network
• DDD (album), by Poster Children named after the pure digital recording process
• D.D.D., a JPop song written by Japanese R&B duo Soulhead
• King Dedede, a character in the Kirby video game series

Other

• Dictionary of Deities and Demons in the Bible
• DDD, a brassiere cup size
• Delta Delta Delta, a national collegiate sorority
• Die deterioration doubling, a common form of mint-made error on coins that results from degradation of the die used to strike the coin
• Direct Digital Democracy