| Abbreviation | Definition |
|---|---|
| CTM | Company Transaction Manager |
| CTM | Contract Technical Manager |
| CTM | Crystalline Transitional Material |
| CTM | Coordinate Transform Matrix |
| CTM | Cricothyroid Muscle |
| CTMA | Center Traffic Management Advisor |
| CTMB | Carson Tahoe Membership Board |
| CTN | Certification Test Network |
| CTN | City Transformation Network |
| CTO | Central Telegraph Office |
| CTO | Central Tractor Organisation |
| CTO | Chief Technical Officer |
| CTO | Carbon Taste and Odor |
| CTO | Chronic Total Occlusion |
| CTO | Clinical Trials Office |
| CTO | Chief Technology Officer |
| CTO | Control Tower Operator |
| CTO | Compensatory Time Off |
| CTO | Central Ticket Office |
| CTO | Cancelled To Order |
| CTO | Cost To Own |
| CTOD | Crack Tip Opening Displacement |
| CTOF | Charge Time-Of-Flight |
| CTOS | Cerebellar Thoracic Outlet Syndrome |
| CTP | Converged Technologies Professional |
| CTP | Critical Technical Parameter |
| CTP | Communications Timing Procedure |
| CTP | Cyclic Time Processor |
| CTP | Composite Theoretical Performance |
| CTP | Complement Taking Predicate |
| CTP | Corporate Trade Payment |
| CTPA | Computed Tomographic Pulmonary Angiography |
| CTPA | Certified Transit Program Administrator |
| CTPA | California Travel and Park Association |
| CTPD | Crew Training and Procedures Division |
| CTPE | Corrected Transient Potential Energy |
| CTPE | Certified Technology Procurement Executive |
| CTR | Controlled Thermonuclear Reaction |
| CTR | Carpal Tunnel Release |
| CTR | CardioThoracic Ratio |
| CTR | California Tumor Registry |
| CTR | Cancer Therapy and Research |
| CTR | Cardiac Transplant Research |
| CTR | Clinical Trial Request |
| CTR | Clinical Trials Research |
| CTR | Certified Tarot Reader |
| CTR | Cooperative Threat Reduction |
| CTR | Canaveral Test Report |
| CTR | Consolidated Technical Review |
| CTR | Contract Technical Representative |