| Full Form | Category | Term |
|---|---|---|
| Scientific or Industrial Organization (ITU member) | Computer and Networking | SIO |
| Subscribers In Operation | Telecommunication | SIO |
| Silicon Oxide | Chemistry | SIO |
| Surety Information Office | Accounts and Finance | SIO |
| Serial Input/output | Space Science | SIO |
| Systems Integration Office | Space Science | SIO |
| Serious Inquiries Only | Job Title | SIO |
| Smithton | Airport Code | SIO |
| Standard Installation Organization | Military and Defence | SIO |
| Senior Intelligence Officer | Military and Defence | SIO |
| Special Information Operations | Military and Defence | SIO |
Formfull is a reference website for popular abbreviations and acronyms. You can search our database for full forms and names of terms popular in computer, electronics, science, finance, information technology, chemistry, biology, business, organization, school and chat. You are open to add additional details for any page. Just click on answer button to add extra information.