| Acronym | Definition |
|---|
| RTSG➣Research Training Support Grant (student funding program; various universities; UK) |
| RTSG➣Real Time Strategy Game |
| RTSG➣Real-Time Systems Group |
| RTSG➣Radio-Telephone Systems Group (Motorola) |
| RTSG➣Real-Time Scene Graph (computer graphics) |
| RTSG➣Raytheon Technical Services Guam, Inc. (Burlington, MA) |