| ICDO | Interdepartementale Commissie Duurzame Ontwikkeling 
| Others |
| ICDO | International Civil Defence Organisation
| Others |
| ICDO | International Civil Defence Organization
| Others |
| ICDO | International Civil Defense Organisation
| Others |
| ICDO | International Civil Defense Organization
| Others |
| ICDO | International Classification of Diseases for Oncology (coding system)
| Others |
| ICDO | Investment and Client Development Officer
| Others |