| RT | Reverse Transcriptase | - | Computer Acronyms(common) |
| RT | Room Temperature (dead) | - | NASA |
| RT | Range-to-Target | - | Organizations |
| RT | Rate | - | Organizations |
| RT | Real Time (R/T Preferred) | - | Organizations |
| RT | Receiver-Transmitter | - | Organizations |
| RT | ReferenceTrajectory | - | Organizations |
| RT | Right | - | Organizations |
| RT | Real Time | - | Sms Text Smileys and Emoticons |
| RT | Real Time | - | ISO Country Codes |
| RT | PCR -Real Time Polymerase Chain Reaction Or Reverse Transcriptase Polymerase Chain Reaction. Clarified With Real Time RT-PCR Or Reverse Transcriptase RT-PCR Where Appropriate. | - | Astronomy |
| RT | Real Time - Radio Telephone -Return To Duty | - | Astronomy |
| RT | route target
| - | Human Genome |
