DDA may refer to:
Dday One (born Udeze Ukwuoma) is an American music producer, DJ and songwriter, from Los Angeles, California.
DDAIP is a pharmaceutical ingredient added to topical products to increase penetration through the skin.
The Normandy landings (codenamed Operation Neptune) were the landing operations on Tuesday, 6 June 1944 (termed D-Day) of the Allied invasion of Normandy in Operation Overlord during World War II.
The DDA Netaji Subhash Sports Complex is a sports complex located in Jasola Vihar, New Delhi. Sports complex was inaugurated in 2000.
dDamage is French duo from Paris, France considered by many as French Touch black sheep artists who makes atypic music that includes influences of hip hop and electronic music with a twist of punk rock and industrial techno music .
Dda (short for DNA-dependent ATPase; also known as Dda helicase and Dda DNA helicase) is the 439-amino acid 49,897-atomic mass unit protein coded by the Dda gene of the bacteriophage T4 phage, a virus that infects enterobacteria.
Driving under the influence (DUI), or driving while intoxicated (DWI), is the crime of operating a vehicle while impaired by alcohol or other drugs (including recreational drugs and those prescribed by physicians), to a level that renders the driver incapable of operating a motor vehicle safely.
Discordianism is a religion and subsequent philosophy based on the veneration or worship of Eris, a.k.a.
ddAuto is an open-source front-end GUI cross-platform imaging tool written in Perl to automate the dd utility.