STA or Sta may refer to: Organizations Samoa Tourism Authority Science & Technology Australia, a peak body for scientists and technologists Scottish Tartans Authority Spokane Transit Authority, US State Transit Authority, New South Wales, Australia State Transport Authority (South Australia), a former government agency STA Travel, for young people Slovenska tiskovna agencija, Slovenian Press Agency Student Transportation of America Schools Saint Thomas Academy, Minnesota, US St. Theresita's Academy, Silay City, Philippines Shanghai Theatre Academy, Shanghai, China St. Thomas Aquinas High School (Louisville), Ohio, US St. Thomas Aquinas Catholic Secondary School (London, Ontario), Canada St. Albans School (Washington, D.C.), US Science and technology Science & Technology Australia, a peak body for scientists and technologists Spacetime algebra, in mathematical physics Spike-triggered average, a tool for characterizing the response properties of a neuron Special temporary authority, to operate a radio station in the US Static timing analysis, of a digital circuit Station (computer networking), in IEEE 802.11 (Wi-Fi) terminology Simultaneous thermal analysis, in thermal analysis Single-Threaded Apartment, in Component Object Model Military and space Shuttle Training Aircraft, a NASA training vehicle Surveillance and Target Acquisition, a military role STA platoon, up to the first Gulf War STA sniper, after the first Gulf War Other uses SCSI Trade Association, STA or SCSITA Stauning Vestjylland Airport (IATA code), Denmark Sustainable Transport Award, to a city See also Structural Test Article, for example Space Shuttle Challenger STA-099 STA-21 or Seaman to Admiral - 21, U.S. Navy commissioning program