| SIV | Italian Society of Virology 
| Others |
| SIV | Saturn IV Rocket
| Others |
| SIV | Self Inflicted Violence
| Others |
| SIV | Sensors In Vacuum
| Others |
| SIV | Servicio Internacional De Voluntariado
| Others |
| SIV | Sieve
| Others |
| SIV | Significant Investor Visa
| Others |
| SIV | Simian Immunodeficiency Virus
| Others |
| SIV | Simian Immunodeficiency Viruses
| Others |
| SIV | Simple Ideas for Vegans
| Others |
| SIV | Simulated Incidence in Vol
| Others |
| SIV | Site Initiation Visit
| Others |
| SIV | Smart Interface Vehicle
| Others |
| SIV | Smart Intuitive Vehicle
| Others |
| SIV | Social Impact Vouchers
| Others |
| SIV | Sorry I Vanished
| Others |
| SIV | Source Inversion Validation
| Others |
| SIV | Spark Ignition Vehicle
| Others |
| SIV | Special Immigant Visa
| Others |
| SIV | Special Immigrant Visa
| Others |
| SIV | Special Immigrant Visas
| Others |
| SIV | Special Interest Vehicle
| Others |
| SIV | Special Interest Vessel
| Others |
| SIV | Special Interest Videos
| Others |
| SIV | Special Investment Vehicle
| Others |
| SIV | Stand-In-Value
| Others |
| SIV | Standard Inversion Visibility
| Others |
| SIV | Stereoscopic Image Viewer
| Others |
| SIV | Stern International Volunteers
| Others |
| SIV | Structured Investment Vehicle
| Others |
| SIV | Study In the Village
| Others |
| SIV | Surinaamse Islamitische Vereniging
| Others |
| SIV | Swine Influenza Virus
| Others |
| SIV | Synthetic Initialization Vector
| Others |
| SIV | System Information Viewer
| Others |
| SIV | Systeme d'Immatriculation des Vehicules
| Others |
| SIV | Systems Integration Vehicle
| Others |