| ARDC | African Refugee Development Center 
| Others |
| ARDC | Agricultural Research and Development Center
| Others |
| ARDC | Air Research and Development Command
| Others |
| ARDC | Air Research Development Center
| Others |
| ARDC | Alfa Romeo Drivers Club
| Others |
| ARDC | Amateur Radio Digital Communications
| Others |
| ARDC | American Racing Drivers Club
| Others |
| ARDC | American Research and Development Corporation
| Others |
| ARDC | Architecture Research and Design Center
| Others |
| ARDC | Attorney Registration & Disciplinary Commission
| Others |
| ARDC | Attorney Registration and Disciplinary Commission
| Others |
| ARDC | Attorney Registration Disciplinary Commission
| Others |
| ARDC | Australian Racing Drivers Club
| Others |
| ARDC | Automotive Research and Development Center
| Others |
| ARDC | Automotive Research and Development Centre
| Others |
| ARDC | Auxiliary Repair Dock, Concrete
| Others |