DDJ
# DDJ

DDJ or variation, may refer to:

## Law, justice, governance

* Deacons for Defense and Justice, an African-American self-defense group
* DDJ (Deputy District Judge)
   * a judicial title in the judiciary of England and Wales
   * a judicial title in the District Court (Hong Kong)

## Data, computing, information science

* Dr. Dobb's Journal, a computer science and programming magazine and journal
* Data-driven journalism
* Data-dependent jitter

## Other uses

* Djaru language (ISO 639 language code ddj)
* Dum Dum Junction railway station (station code DDJ), Dum Dum, West Bengal India; a train station
* Pioneer DDJ, a DJ controller series from Pioneer; see Pioneer DJ
