DDDD

DDDD may refer to:

Arts and entertainment

• Dead Dead Demon's Dededede Destruction, a 2014–2022 manga series, adapted to anime in 2024
• D.D.D.D. (Destroy Devastating and Disgusting Derivatives), a 1995 album by Incapacitants
• "D.D.D.D.", the ending theme of episodes 5 and 6 of the anime series Dorohedoro

Other uses

• DDDD, the Helmholtz notation for subsubcontra D (musical note)
• DDDD, a U.S. bra size
• DDDD, a non-standard SPARS code indicating digital recording equipment and musical instruments
• dddd, a code used in date formats to indicate "day of the week spelled out in full"

See also

• 4D (disambiguation)
• D4 (disambiguation)
• DDD (disambiguation)
• Four Ds, the guiding principles of the Allied occupation of Germany
• The "4 Ds" of pruning