S class may refer to:

Automobiles

  • Mercedes-Benz S-Class, an automobile
  • S-segment, a European vehicle size class

Rail transport

  • Victorian Railways S class, Australian steam locomotives
  • Victorian Railways S class (diesel), Australian diesel locomotive
  • South Australian Railways S class, steam locomotives
  • WAGR S class, Australian steam locomotives
  • S-class Melbourne tram

Ships

  • S-class destroyer (disambiguation), multiple types of ships
  • S-class submarine (disambiguation), multiple types of submarines
  • S-class ferry, operated by BC Ferries in British Columbia, Canada
  • S-class torpedo boat, ex-Russian torpedo boats operated by Finland
  • , a class of the Holland America Line

Other uses

  • "S-Class" (song), a 2023 song by Stray Kids

See also

  • Class S (disambiguation)
  • S-Type (disambiguation)
  • Type S (disambiguation)