- ADAD stands for Alcohol and Drug Abuse Division (Colorado)
- ADAD stands for Association of Dance of the African Diaspora
- ADAD stands for Another Day Another Dollar
- ADAD stands for Automatic Dialing Announcing Devices
- ADAD stands for Alzheimer Disease and Associated Disorders (journal)
- ADAD stands for Airborne Division Advisory Detachment (US DoD)
- ADAD stands for Air Defense Alerting Device (US Army)
- ADAD stands for After Date of Award Document
- ADAD stands for Air Defense Artillery Director
ADAD