| Acronym | Definition |
|---|
| RTD➣Returned to Duty (US DoD) |
| RTD➣Regional Transportation District |
| RTD➣Ready to Drink |
| RTD➣Richmond Times-Dispatch |
| RTD➣Rated |
| RTD➣Resistance Temperature Detector |
| RTD➣Retired (sports) |
| RTD➣Right to Die (various locations) |
| RTD➣Reason to Drive |
| RTD➣Russell T Davies (TV writer) |
| RTD➣Real-Time Data |
| RTD➣Round Table Discussion (various organizations) |
| RTD➣Real Time Data |
| RTD➣Real Time Devices |
| RTD➣Real Time Design |
| RTD➣Run Time Distribution |
| RTD➣Real Time Display |
| RTD➣Real Time Decoder |
| RTD➣Real Time Desktop |
| RTD➣Research, Technological Development |
| RTD➣Research and Technology Development |
| RTD➣Rapid Transit District |
| RTD➣Radioactive Threat Detection |
| RTD➣Residence Time Distribution |
| RTD➣Return to Duty |
| RTD➣Resistance Temperature Device |
| RTD➣Round-Trip Delay |
| RTD➣Road Transport Department |
| RTD➣Real-Time Display |
| RTD➣Ready to Die (gaming clan) |
| RTD➣Resonant-Tunneling Diode |
| RTD➣Retail to Date (sales) |
| RTD➣Right to Development |
| RTD➣Record Type Definition |
| RTD➣Road Traffic Directorate (various locations) |
| RTD➣Round Table Deutschland |
| RTD➣Rapid Test Designer |
| RTD➣Real Time Dispatch |
| RTD➣Refugee Travel Document |
| RTD➣Rail Transportation Division (American Society of Mechanical Engineers) |
| RTD➣Radiodiffusion Télévision de Djibouti |
| RTD➣Reconfigurable Tactile Display |
| RTD➣Rio Tinto Diamonds |
| RTD➣Resistive Thermal Device |
| RTD➣Resource Teacher of the Deaf |
| RTD➣Recherches Techniques Dentaires (French: Dental Research Techniques; est. 1968) |
| RTD➣Renal Tubular Dysgenesis (aka Primitive Renal Tubule Syndrome) |
| RTD➣Research and Technology Division |
| RTD➣Rule the Day |
| RTD➣Rome Transit Department |
| RTD➣Rice Tungro Disease |
| RTD➣Reproductive Toxicology Division |
| RTD➣Rentthedress.com (bridal store) |
| RTD➣Röntgen Technischer Dienst GmbH (German) |
| RTD➣Research and Technology Directorate (NASA) |
| RTD➣Reutilization/Transfer/Donation |
| RTD➣Resistance Thermal Detector |
| RTD➣Registered Time-to-Degree (National Research Council) |
| RTD➣Radiation and Technology Demonstration (NASA mission) |
| RTD➣Real-Time Defrag |
| RTD➣Rappelle Toi Demain (French: Remember You Tomorrow; band) |
| RTD➣Rotation Tour Date (USMC) |
| RTD➣Resistant Temperature Device |
| RTD➣Roll to Dodge (gaming) |
| RTD➣Return To Dominance |
| RTD➣Russell's Theory of Descriptions |
| RTD➣Real Time Driver |
| RTD➣Radio-Technology-Dependent |
| RTD➣Real Time Distributor |
| RTD➣Resident Training Detachment |
| RTD➣Residual Thermal Damage |
| RTD➣Requirement to Discontinue |
| RTD➣Rule the Dark |
| RTD➣Roll the Die |
| RTD➣Recent Trends in Dynamics |
| RTD➣Receiver-Transmitter Device |
| RTD➣Real Tape Drive |
| RTD➣Return to Desktop |
| RTD➣Rubber Tired Dozer |
| RTD➣Recruit Training Depot |
| RTD➣Remote Terminal, Display |
| RTD➣Referee Technical Decision (boxing) |
| RTD➣Resubmission Turn-around Document |
| RTD➣Replacement Training Division |
| RTD➣Rights in Technical Date |
| RTD➣Reactor Technology Department (Savannah River Laboratory) |
| RTD➣Robert the Doll (Florida ghost tour and museum piece) |