GCRO
| Acronym | Definition |
|---|---|
| GCRO | Gauteng City-Region Observatory (South Africa) |
| GCRO | Greater Cedar Rapids Open (Marion, IA) |
| GCRO | General Council and Register of Osteopaths (est. 1936; UK) |
| GCRO | Gulf Coast Recovery Office (US DHS) |
| GCRO | Generalized Conjugate Residual Method with Inner Orthogonalization (mathematics) |
| GCRO | Guilford Council of Religious Organizations |