SS1

SS1 may refer to:

Transportation

 * SS 1, a British car of the 1930s and predecessor to the Jaguar
 * China Railways SS1, an electric locomotive model used in China
 * Moore SS-1, a glider
 * Reliant Scimitar SS1, a sports car made by Reliant during the 1980s
 * Strada statale 1 Via Aurelia, a major road in Italy

Military and space

 * USS Holland (SS-1), the first submarine of the U.S. Navy
 * SpaceShipOne, a spaceplane that completed the first privately funded crewed space flight
 * Pindad SS1, an Indonesian assault rifle
 * SS-1 Scud, the NATO reporting name for a series of Soviet missiles

Other uses

 * SS1 (classification), a Les Autres sport classification
 * Sky Sports 1, a British satellite sports channel
 * Space Ship One (album), an album by Paul Gilbert
 * "SS1", a simple and quick way to refer to the seventh season of Fall Guys.