| Acronym | Definition |
|---|
| ORTC➣Old Republic Title Company |
| ORTC➣Object Real-Time Communications (computer community group) |
| ORTC➣Ontario Rehabilitation Technology Consortium (Canada) |
| ORTC➣Operational Readiness Training Complex |
| ORTC➣Overall Roadmap Technology Characteristics (International Technology Roadmap for Semiconductors) |
| ORTC➣Organizational Readiness Training Center (US Army; Professional Education Center; Little Rock, AR) |