| Acronym | Definition |
|---|
| SICO➣Sistema de Informação dos Certificados de Óbito (Portuguese: Information System of Death Certificates) |
| SICO➣Superior Instrument Company |
| SICO➣Sino-India Cooperative Office (China) |
| SICO➣Societa Italiana Carburo Ossigeno (Italian: Italian Carbide Oxygen Society) |
| SICO➣Schizophrenic Internet Chess Online |
| SICO➣Sector Interface Control Officer |
| SICO➣System Integration & Check Out |