| SAIEVAC | South Asian Initiative to End Violence against Children 
| Others |
| SAIF | Samsung Automotive Innovation Fund
| Others |
| SAIF | Savings Association Insurance Fund
| Others |
| SAIF | Scholar Article Impact Factor
| Others |
| SAIF | Scottish Accessible Information Forum
| Others |
| SAIF | Seniors Against Investment Fraud
| Others |
| SAIF | Service Aware Interoperability Framework
| Others |
| SAIF | Shanghai Advanced Institute of Finance
| Others |
| SAIF | Sharjah Airport International Free
| Others |
| SAIF | Small Animal Imaging Facility
| Others |
| SAIF | Software Acquisition Improvement Framework
| Others |
| SAIF | Sophisticated Analytical Instrument Facility
| Others |
| SAIF | South African Institute of Forestry
| Others |
| SAIF | South African Institute of Foundrymen
| Others |
| SAIF | Southern Africa Institute of Fundraising
| Others |
| SAIF | Spatial Archive and Interchange Format
| Others |
| SAIF | State Accident Industrical Fund
| Others |
| SAIF | State Accident Insurance Fund
| Others |
| SAIF | Stop Abuse In Families
| Others |
| SAIF | Struts Action Invocation Framework
| Others |
| SAIF | Supportive Assistance to Individuals and Families
| Others |
| SAIF | Switching Activity Interchange Format
| Others |
| SAIF | System Assurance Integration Framework
| Others |
| Saifeena | Saif Ali Khan and Kareena Kapoor
| Others |
| SAIFI | Safety Accuracy Intelligency Freedom and Innovation
| Others |
| SAIFI | Standard Average Interruption Frequency Index
| Others |
| SAIFI | System Average Interruption Frequency Index
| Others |
| SAIFI | System Average Interuption Frequency Index
| Others |
| SAIG | Shanghai Automotive Industries Group
| Others |
| SAIG | Sichuan Automobile Industry Group
| Others |
| SAIG | Student Aid Internet Gateway
| Others |
| SAIGA | South African Institute of Government Auditors
| Others |
| SAIGE | Society of American Indian Government Employees
| Others |
| SAIGN | Suid-Afrikaanse Instituut vir Geskiedenisnavorsing
| Others |
| SAIH | Shree Aggarsain International Hospital
| Others |
| SAIH | South African Institute of Hypnotherapy
| Others |
| SAIH | South African Institute of Hypnotism
| Others |
| SAIH | South Asian Intellectual History
| Others |
| SAIH | Special Assistance In Home
| Others |
| SAII | Source Attachment Individual Identifier
| Others |
| SAII | South Asia International Institute
| Others |
| SAII | Structural Affiliates International Inc
| Others |
| SAII | Such As It Is
| Others |
| SAII | System Approach to Individualized Instruction
| Others |
| SAIIA | South African Institute of International Affairs
| Others |
| SAIKE | So An Idiot Knows Everyone
| Others |
| SAIKI | Sexy And I Know It
| Others |
| SAIKN | Suid-Afrikaanse Instituut vir KommunikasieNavorsing
| Others |
| SAIL | Safe Accountable Intelligent Leadership
| Others |
| SAIL | Safe Affirming Invigorating and Life
| Others |