English abbreviations from ad to adadl
- AD (Aviation Machinist's Mate)
- A.D. (Anno Domini ("Year of Our Lord"))
- A-D (Analog to Digital)
- ADA (Americans with Disabilities Act … also American Diabetes Association)
- ADAA (African Development Aid Association)
- ADAC (Allgemeiner Deutscher Automobil-Club (German, "General German Automobile Club"))
- ADAC2S (Air Defense Artillery Command and Control System)
- ADACS (Advanced Digital and Analog Collection System)
- ADADL (Ada Design and Documentation Language)