CIGO
| 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) |