- Satellite Television Asian Region, or STAR TV
- Scientific And Technological Advanced Research Labs , a fictional research organization in the DC Comics universe.
- Single-Handed Trans-Atlantic Race , also known as the ''OSTAR''
- Situation, Task, Action, Result , an interview technique
- Shock Trauma And Rescue , or Shock Trauma Air Rescue , a synonym for Air Ambulance
- Society For Telescopy, Astronomy, And Radio , a non-profit New Jersey astonomy club.
- Solenoidal Tracker At RHIC , one of the four detectors at the RHIC
- Source Tree Adaptive Routing protocol, a method of organizing Wireless Mesh Network s
- Special Tactics And Rescue of the Singapore Police Force
- Special Tactics And Response , a synonym of SWAT
- Special Tasks And Rescue , a synonym of SWAT
- Standard Terminal Arrival Route , the route that planes follow under Instrument Flight Rules when they approach an airport
- Standardized Testing And Reporting , a measure of school performance in California
- Star (strategies + Architecture) , an architecture office in the Netherlands
- STAR Math, STAR Reading, Or STAR Early Literacy --periodic assessments of mathematical, reading, and early literacy abilities, respectively, created by Renaissance Learning , Inc.
- STAR Repair , the Best Buy Repair and Service Database, based on Clarify eFrontOffice
- S.T.A.R.S. ; Special Tactics And Rescue Service (or Squad), a fictional task force in the '' Resident Evil '' video game franchise
- Students Taking Action With Recognition , in STAR Events. A Program in FCCLA .
- Supplementary Tests Of Achievement In Reading published by the New Zealand Council For Educational Research
- STAR , an interbank network
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