| Acronym | Definition |
|---|
| RTC | Real-Time Clock |
| RTC | Resolution Trust Corporation |
| RTC | Regional Transportation Commission |
| RTC | Rails-To-Trails Conservancy (Washington, DC) |
| RTC | Regional Trial Court (Philippines) |
| RTC | Religious Technology Center |
| RTC | Research and Training Center |
| RTC | Réseau de Transport de La Capitale |
| RTC | Rough Terrain Crane |
| RTC | Regional Training Center |
| RTC | Residential Treatment Center |
| RTC | Renton Technical College (Renton, Washington) |
| RTC | Road Traffic Collision (UK) |
| RTC | Rotterdam Terror Corps (Dutch hardcore group) |
| RTC | Recruit Training Command (US Navy) |
| RTC | Réseau Téléphonique Commuté |
| RTC | Real-Time Control |
| RTC | Real-Time Collaboration |
| RTC | Real Time Collaboration |
| RTC | Right to Carry (firearms) |
| RTC | Real-Time Communication |
| RTC | Road Transport Corporation (various organizations) |
| RTC | Right to Censor (professional wrestling group) |
| RTC | Ready To Cook |
| RTC | Red Tail Catfish (marine biology) |
| RTC | Right to Cancel |
| RTC | Response Time Compensation (LCD display technology) |
| RTC | Rail Traffic Controller (rail traffic dispatcher) |
| RTC | Recruit Training Center (US Navy) |
| RTC | Redmond Town Center (Washington) |
| RTC | Resource Tracking |
| RTC | Real-Time Computing |
| RTC | Reports to Congress (Missile Defense Agency) |
| RTC | Responding to Conflict |
| RTC | Return To Clinic |
| RTC | Regional Technical College |
| RTC | Real Time Counter |
| RTC | Regional Transit Connection |
| RTC | Rates, Terms, and Conditions |
| RTC | Return To Control |
| RTC | Renseignement Tarifaire Contraignant (French: Binding Tariff Information) |
| RTC | Real-Time Command |
| RTC | Ready to Commit |
| RTC | Roseville Telephone Company |
| RTC | Readiness Training Center |
| RTC | Return to Custody (prisons) |
| RTC | Reese Technology Center (Lubbock, TX) |
| RTC | Replacement Training Center |
| RTC | Real Time Combat (video game option) |
| RTC | Rights, Tenancy and Crops (land records) |
| RTC | Rail Tank Car |
| RTC | RECLAIM Trading Credit |
| RTC | Raffles Town Club |
| RTC | Rochester Telephone Corporation |
| RTC | Regional Technology Centre |
| RTC | Reverse Traffic Channel |
| RTC | Real Time Capacity |
| RTC | Rural Telephone Coalition |
| RTC | Rail Trail Council |
| RTC | Regional Technical Conference |
| RTC | Real Thin Client |
| RTC | Reality Therapy Certification (psychotherapy) |
| RTC | Résistance Thermique de Contact (French: Contact Thermal Resistance) |
| RTC | Requirements Type Contract |
| RTC | Relative Time Clock |
| RTC | Redstone Test Center (US DoD) |
| RTC | R&D Institute for Robotics and Technical Cybernetics (St. Petersburg, Russia) |
| RTC | Restart Confirmation (ITU-T) |
| RTC | Reaching the Children, Inc. |
| RTC | Red-Tail Conservancy (Muncie, IN) |
| RTC | Radio Transmission Control |
| RTC | Red Telefónica Conmutada/Convencional (Spanish: Public Switched Telephone Network) |
| RTC | Remote Target Control |
| RTC | Race Time Computing |
| RTC | Request to Consolidate |
| RTC | Reserve Training Centre (Royal Naval Reserve) |
| RTC | Race to Conquer (online gaming forum) |
| RTC | Remote Terminal Capability |
| RTC | Repto Terra Club (France) |
| RTC | Reserve and Training Command |
| RTC | Radio Traffic Channel |
| RTC | Restricted Type Certificate (aviation; various nations) |
| RTC | Realtime Corporation, Ltd. (Canada) |
| RTC | Remote Terminal Cluster |
| RTC | Remote Transfer-controlled Control (ANSI & ITU-T) |
| RTC | Required Task Capability |
| RTC | Reconnaissance Technical Center |
| RTC | Rapid Thermal Cycling |
| RTC | Release Testing Contents |
| RTC | Room Temperature Creep (metals) |
| RTC | Rifle Team Commander (ROTC) |
| RTC | Real Time Cinematic (video games) |
| RTC | Response to Comments |
| RTC | Roundtail Chub (fish) |
| RTC | Resistance to Change (psychology) |
| RTC | Roundabout Theatre Company (New York, NY) |
| RTC | Rapid Travel Charger (product) |
| RTC | River Transport Corporation (Sudan) |
| RTC | Regionale Technologische Centra (Dutch: Regional Technological Center; Belgium) |