| Acronym | Definition |
|---|
| RRTC➣Rehabilitation Research and Training Center |
| RRTC➣Road Running Technical Council (USA Track and Field) |
| RRTC➣Rochester Rail Transit Committee |
| RRTC➣Regional Road Transport Committee (Southeast European Cooperative Initiative) |
| RRTC➣Red River Trade Council |
| RRTC➣Rice Research and Training Centre (Egypt) |