| OTDC | Occupational Therapy Doctoral Candidate 
| Others |
| OTDC | Odisha Tourism Development Corporation
| Others |
| OTDC | Office of Technology Development and Commercialization
| Others |
| OTDC | Office of Technology Development and Coordination
| Others |
| OTDC | Okanagan Training and Development Council
| Others |
| OTDC | Oklahoma Technology Development Corporation
| Others |
| OTDC | Oman Tourism Development Company
| Others |
| OTDC | On Time Delivery Confirmed
| Others |
| OTDC | Ontario Textile Diversion Collaborative
| Others |
| OTDC | Ontario Truck Driving Championship
| Others |
| OTDC | Ontario Truck Driving Championships
| Others |
| OTDC | Optical Target Designation Computer
| Others |
| OTDC | Orissa Tourism Development Authority
| Others |
| OTDC | Orissa Tourism Development Corporation
| Others |
| OTDC | Orissa Turism Devlopment Corporation
| Others |
| OTDC | Overlap Tdc
| Others |
| OTDC | Overlap Top Dead Center
| Others |
| OTDC | Overseas Trade Development Council
| Others |