| Abbreviation | Definition |
|---|---|
| AAAD | Alamo Area Aquatics Diving |
| ACDE | Association of Commercial Diving Educators |
| ADSF | Australasian Diving Safety Foundation |
| AED | Awfully Easy Dive |
| AIDA | Association Internationale pour le Développement de l'Apnée (free-diving) |
| AODC | Association of Offshore Diving Contractors |
| ASDP | Automatic Sports Dive Planner |
| BAD | Boston Area Diving |
| BDSG | British Diving Safety Group |
| CDCA | Canadian Diving Coaches Association |
| CDLSE | Clearance Diving Life Support Equipment |
| CDMTC | Combat Diving Medical Technician Course |
| CDWS | Chamber of Diving and Water sports |
| DDRC | Diving Diseases Research Centre |
| DEAP | Diving Emergency Action Plan |
| DEMA | Diving Equipment Marketing Association |
| DESIGN | Diving Equipment Systems Inspection Guidance Note |
| DFAC | Diving For A Cause |
| DIVA | Diving Instrumentation Vehicle for Environmental Research |
| DIVE | Diving |