| Acronym | Definition |
|---|
| CIGO➣Chief Information Governance Officer |
| CIGO➣Council of Irish Genealogical Organisations (est. 1992; Dublin, Ireland) |
| CIGO➣Cassa Integrazione Guadagni Ordinaria (Italian) |
| CIGO➣Cayman Islands Government Office (UK and Cayman Islands) |
| CIGO➣Cyclosporin A-Induced Gingival Overgrowth (periodontal research) |