| RTDC | Radio Telescope Data Center
| Others |
| RTDC | Rajasthan Tourism Development Corporation
| Others |
| RTDC | Real Time Decision Center
| Others |
| RTDC | Real Time Diagnostic Center
| Others |
| RTDC | Rebuilding Together Dutchess County
| Others |
| RTDC | Regional Technology Development Centers
| Others |
| RTDC | Regional Telecommunication Development Conference
| Others |
| RTDC | Regional Training and Development Complex
| Others |
| RTDC | Regional Transit Discount Card
| Others |
| RTDC | Regional Transportation Data Clearinghouse
| Others |
| RTDC | Registro Toscano Difetti Congeniti
| Others |
| RTDC | Responder Training Development Center
| Others |
| RTDC | Right Turn Discipline Center
| Others |
| RTDC | Road and Track Drivers Club
| Others |
| RTDC | Rocket Thrown Depth Charge
| Others |