TNS can stand for:

Places

  • Tungsten (Cantung) Airport, Tungsten, Northwest Territories, Canada
  • Tao Nan School, a primary school in Singapore
  • , the National Theatre of Strasbourg, France

Groups

  • The New Saints F.C., a Welsh football club, formerly Total Network Solutions F.C.
  • Taylor Nelson Sofres, a market research company
  • TechnoServe, a US-based international development non-profit group
  • TNSrecords, a British punk rock/ska record label
  • Transaction Network Services, a data communications company
  • Triple Nine Society, a high IQ organisation
  • The Naturist Society, a Naturist Network promoting Nude Recreation

Other

  • The Natural Step, a sustainability framework
  • Transparent Network Substrate, an Oracle database technology
  • Transcutaneous electrical nerve stimulation, also known as TENS
  • TNS (DJ), South Africa DJ
  • Trigeminal nerve stimulation, a therapy for ADHD