| Acronym | Definition |
|---|
| GCIL | Galway Centre for Independent Living (Ireland) |
| GCIL | Ground Command Interface Logic (US NASA) |
| GCIL | Ground Control Interface Logic |
| GCIL | Glasgow Centre for Inclusive Living (UK) |
| GCIL | Gwalior Chemical Industries Limited (India) |
| GCIL | Generic Concurrent Interface Language (computing) |
| GCIL | Gooderham Centre for Industrial Learning (Canadian Welding Bureau) |
| GCIL | Groupement des Consultants Infirmiers de la Loire (French: Loire Nursing Consultants Grouping; France) |
| GCIL | Gramophone Company of India Limited |
| GCIL | Goddy Chemicals International Limited (Nigeria) |
| GCIL | Gujarat Carbon Industries Ltd. (India) |