S5 or S-5 may refer to:

Science

  • Pentasulfur (S<sub>5</sub>), an allotrope of sulfur
  • S<sub>5</sub>, the symmetric group on five elements
  • S5: Keep contents under ... (appropriate liquid to be specified by the manufacturer), a safety phrase in chemistry
  • Sacral spinal nerve 5, a spinal nerve of the sacral segment
  • S5, the fifth sacral vertebra of the vertebral column, in human anatomy

Technology

Electronics

  • Canon PowerShot S5 IS, a 2007 8.0 megapixel bridge digital camera
  • Coolpix S5, a 6 Megapixels Nikon Coolpix series digital camera
  • FinePix S5 Pro, a 2006 digital single lens reflex camera by Fujifilm
  • Samsung Galaxy S5, an Android smartphone by Samsung
  • Samsung Galaxy Tab S5e, an Android tablet
  • Simatic S5 PLC, a programmable logic controller family by Siemens

Software

  • S5 (file format), for defining slideshows
  • ACPI S5 power state, of the Advanced Configuration and Power Interface in computing

Transportation

Airlines and airports

  • Star Air (India) (IATA airline code: S5)
  • Shuttle America (IATA airline code: S5)
  • Trast Aero, (IATA airline code: S5)
  • Bandon State Airport (FAA code: S05)
  • Slovenia, International Aircraft Registration Prefixes (ICAO country code: S5)

Mass-transit lines

S-Bahn

  • S5 (Berlin) in Germany
  • S5 (Munich) in Germany
  • S5 (Nuremberg) in Germany
  • S5 (RER Vaud), an S-Bahn line in Switzerland
  • S5 (Rhine-Main S-Bahn) in Germany
  • S5 (Rhine-Ruhr S-Bahn) in Germany
  • S5 (St. Gallen S-Bahn), an S-Bahn line in Switzerland
  • S5 (ZVV), in the cantons of Zurich, St. Gallen and Schwyz in Switzerland
  • S5, a Basel S-Bahn line located in Germany
  • S5, a Breisgau S-Bahn line in Germany
  • S5, a Carinthia S-Bahn line in Austria
  • S5, a Hanover S-Bahn line in Germany
  • S5, a Lucerne S-Bahn line in Switzerland
  • S5, a Stuttgart S-Bahn line in Germany
  • S5, a Styria S-Bahn line in Austria
  • S5, an Upper Austria S-Bahn line in Austria

Other lines

  • An alternate name for the Huairou–Miyun line in Beijing, China
  • S5, a tram line part of the Stadtbahn Karlsruhe in Germany
  • FGC line S5, a suburban train line in Barcelona Province, Spain

Roads

  • County Route S5 (California), a county route in California, U.S.
  • S5 Shanghai–Jiading Expressway in Shanghai, China
  • Expressway S5, a Polish highway

Vehicles

Aircraft

  • Rans S-5 Coyote, an ultralight aircraft
  • Sikorsky S-5, Igor Sikorsky's first successful aircraft design
  • Supermarine S.5, a 1920s British single-engine single-seater racing seaplane

Automobiles

  • Audi S5, a German compact executive sports car
  • BYD Song, a Chinese compact SUV known as the BYD S5 in Egypt
  • Haima S5, a Chinese compact SUV
  • Haima S5 Young, a Chinese subcompact SUV
  • Huansu S5, a Chinese compact SUV
  • JAC Refine S5, a Chinese compact SUV
  • Luxgen S5, a Taiwanese compact sedan
  • MGS5 EV, an electric compact SUV

Spacecraft

  • Saturn V, a retired American space launch vehicle

Trains

  • ALCO S-5, an American diesel switching (shunting) locomotive
  • Prussian S 5, an 1894 steam locomotive class

Watercraft

  • USS S-5 (SS-110), a 1919 S-class submarine of the United States Navy

Other uses

  • S5 (modal logic), in logic and philosophy
  • S-5 rocket
  • S5 (band), an Indian pop band
  • S5 (classification), a disability swimming classification
  • British NVC community S5, a swamps and tall-herb fens community in the British National Vegetation Classification system
  • Fifth year, in the Scottish education system
  • S5, a public affairs officer within military units; see staff
  • S5 postcode, in the S postcode area covering areas of northern Sheffield
  • S-5 visa, a non-immigrant visa which allows travel to United States for individuals who are witnesses, informants

See also

  • 5S (disambiguation)
  • SysV, the UNIX System V