IRTS
| Acronym | Definition |
|---|---|
| IRTS | Institut Régional du Travail Social (France) |
| IRTS | Infrared Telescope in Space (Japan) |
| IRTS | International Radio and Television Society |
| IRTS | Irish Radio Transmitters Society |
| IRTS | Indian Railway Traffic Service |
| IRTS | Increasing Returns to Scale |
| IRTS | Intensive Residential Treatment Services |
| IRTS | Infrared Target Simulator |
| IRTS | Incident Reporting and Tracking System |
| IRTS | Infrared Telescope on Spacelab (NASA) |
| IRTS | Intensive Rehabilitation Treatment Services |