| Term | Full Form | Category |
|---|---|---|
| ICOG | Illustrious Official College of Geologists | Others |
| ICOG | Ilustre Colegio Oficial de GEOLOGOS | Others |
| ICOG | Imperial College Organic Geochemistry | Others |
| ICOG | In Celebration Of Gene | Others |
| ICOG | In Clouds of Glory | Others |
| ICOG | In the City Off the Grid | Others |
| ICOG | Independent Church Of God | Others |
| ICOG | Indiana Coalition For Open Government | Others |
| ICOG | Interdenominational Church Of God | Others |
| ICOG | International Centre for Ocean Governance | Others |
| ICOG | International Conference On Geochronology | Others |