| SAINT | Security Administrators Integrated Network Tool 
| Others |
| SAINT | Security Alliance for Internet and New Technologies
| Others |
| SAINT | Self Aligned Implantation N Technology
| Others |
| SAINT | SiteCatalyst Attribute Importing and Naming Tool
| Others |
| SAINT | Slow Adventure In Northern Territories
| Others |
| SAINT | Stop Anything In No Time
| Others |
| SAINT | Strategic Artificially Intelligent Nuclear Transport
| Others |
| SAINT | Student Administration, Information, Navigation, and Tracking
| Others |
| SAINT | Sunday Afternoon Is Nap Time
| Others |
| SAINT | Swedish Academic Initiative for Nuclear Technology
| Others |
| SAINT | Symposium on Applications and the Internet
| Others |
| SAINTS | Sanken Amenity Intelligence Newly Total System
| Others |
| SAINTS | Senior Animals in Need Today Society
| Others |
| SAIO | Sahlgrenska Academy International Office
| Others |
| SAIO | Sale All in One
| Others |
| SAIO | South Africa Initiatives Office
| Others |
| SAIO | South African Initiatives Office
| Others |
| SAIO | Stanford American Indian Organization
| Others |
| SAIO | Swift All In One
| Others |
| SAIO | System Artificial Intelligence Othello
| Others |
| SAIOH | Southern African Institute for Occupational Hygiene
| Others |
| SAION | Suid-Afrikaanse Instituut vir Opvoedkundige Navorsing
| Others |
| SAIP | School Attendance Improvement Plan
| Others |
| SAIP | Small Animal Imaging Program
| Others |
| SAIP | Soulcraft Apprenticeship and Initiation Program
| Others |
| SAIP | South African Institute of Physics
| Others |
| SAIP | Special Automobile Insurance Policy
| Others |
| SAIP | Sport Accident Insurance Policy
| Others |
| SAIP | Stichting Administratie Indonesische Pensioenen
| Others |
| SAIP | Strategic Actionable Intelligence Platform
| Others |
| SAIP | Student Administration Integration Pack
| Others |
| SAIP | Substance Abuse Intervention Program
| Others |
| SAIPA | Societe Annonyme Iranienne De Production Automobile
| Others |
| SAIPA | Societe Anonyme Iranienne de Production Automobile
| Others |
| SAIPA | South African Institute of Professional Accountants
| Others |
| SAIPA | Southern Alberta Individualized Planning Association
| Others |
| SAIPL | Skoda Auto India Private Limited
| Others |
| SAIPS | Super Advanced In Plane Switching
| Others |
| SAIR | Safe Aviation Inflatable Restraint
| Others |
| SAIR | Scottish Archaeological Internet Reports
| Others |
| SAIR | Secondary Air Injection System
| Others |
| SAIR | Software Architecture Implementation and Realisation
| Others |
| SAIR | South Asia Intelligence Review
| Others |
| SAIRA | St Augustine Independent Restaurant Association
| Others |
| SAIRAC | South African Institute of Refrigeration and Air Conditioning
| Others |
| SAIRR | South African Institute of Race Relations
| Others |
| SAIRS | San Antonio Immunization Registry System
| Others |
| SAIRS | San Antonio Immunization Repository System
| Others |
| SAIRS | Standardized Advanced IR Sensor
| Others |
| SAIS | Saudi Arabian International School
| Others |