SICO
| 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 |