Your abbreviation search returned 40 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| SIO | Scripps Institution of Oceanography | |
| SIO | Studentsamskipnaden i Oslo | |
| SIO | Serial Input/Output | |
| SIO | Senior Intelligence Officer | |
| SIO | Social Investment Organization (Canada) | |
| SIO | Spit It Out | |
| SIO | Service Information Octet (SS7) | |
| SIO | Skidaway Institute of Oceanography | |
| SIO | Senior Investigation Officer (UK) | |
| SIO | serious inquiries only | |
| SIO | Systems Integration Office | |
| SIO | Societas Internationalis Odonatologica | |
| SIO | Services in Operation | |
| SIO | Standard Installation Organization | |
| SIO | Status Indication Out of Alignment (SS7) | |
| SIO | Simultaneous Input Output | |
| SIO | Shanghai Informatization Office | |
| SIO | Section Interorganisations | |
| SIO | Slave Input/Output | |
| SIO | Stakeholder Involvement Office | |
| SIO | Security and Information Operations | |
| SIO | Student Islamic Organization (India) | |
| SIO | Synchronizing Intermediate Objectives | |
| SIO | Scalable Input/Output Initiative (California Institute of Technology) | |
| SIO | Special Intelligence Officer | |
| SIO | SOGS Interface Unit | |
| SIO | Sprint Integrated Office | |
| SIO | Safety Interlock Override | |
| SIO | Smart Input/Output (part of TEDS from IEEE standard 1451.1) | |
| SIO | Supply Item Order | |
| SIO | Social Improvement Organization | |
| SIO | South Indian Ocean | |
| SIO | Special Information Operations (US DoD) | |
| SIO | Storytelling in Organizations (National Storytelling Network) | |
| SIO | Strategic Initiatives Overview (management) | |
| SIO | State Investment Officer (various locations) | |
| SIO | Second Institute of Oceanography (China) | |
| SIO | Senior International Officer (various organizations) | |
| SIO | Ship's Information Officer (US Navy) | |
| SIO | Service Inventory Optimization (software) | |
Note: We have 98 other definitions for SIO in our Acronym Attic