GRTC
| Acronym | Definition |
|---|---|
| GRTC | Greater Richmond Transit Company |
| GRTC | Greater Richmond Technology Council (Glen Allen, VA) |
| GRTC | Great River Taoist Center (est. 1984; Washington, DC) |
| GRTC | Grand Rapids Track Club (Michigan) |
| GRTC | Graduate Research Training Program |
| GRTC | Georgia Rehab Technology Council |