S30 may refer to:

Automobiles Aeolus S30, a Chinese sedan Jinbei S30, a Chinese SUV Nissan S30, a Japanese sport car Toyota Crown (S30), a Japanese sedan

Aviation Blériot-SPAD S.30, a French sport aircraft Lebanon State Airport, in Linn County, Oregon, United States SABCA S-30, a Belgian light aircraft Short S.30 Empire, a British flying boat Sikorsky S-30, a proposed American biplane transport

Electronics Canon PowerShot S30, a digital camera Nikon Coolpix S30, a digital camera Samsung M810 Instinct S30, a mobile phone Series 30, a mobile phone software platform

Rail and transit S30 (RER Fribourg), a regional rail line in Switzerland S30 (TILO), a regional railway service in Ticino, Switzerland, and Lombardy, Italy S30 (ZVV), a Zurich S-Bahn line in the cantons of Thurgau and Zurich, Switzerland Kuromatsunai Station, in Suttsu District, Hokkaido, Japan

Ships and boats S 30 (keelboat), a sailboat class

, a submarine of the Royal Navy , a submarine of the United States Navy

Roads County Route S30 (California) County Route S30 (Bergen County, New Jersey)

Other uses 40S ribosomal protein S30 S30: Never add water to this product, a safety phrase in chemistry Sulfur-30, an isotope of sulfur S-30 rocket engine