S class

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
 * Statendam-class cruise ship, a class of the Holland America Line

Other uses

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