S90

S90 may refer to:

Automobiles

 * Daihatsu Zebra (S90), a pickup truck and van
 * Honda Sport 90, a motorcycle
 * Toyota Crown (S90), a sedan
 * Volvo S90, an executive car

Naval vessels

 * HMS Torbay (S90), a submarine of the Royal Navy
 * S90-class torpedo boat, of the Imperial German Navy
 * SMS S90, the lead boat of the class

Rail and transit

 * S90 (Long Island bus)
 * S90 (New York City bus) serving Staten Island
 * S90 (TILO), a railway service in Switzerland

Other uses

 * Canon PowerShot S90 a digital camera
 * Series 90 (software platform), for mobile phones
 * SIPA S.90, a French trainer aircraft
 * Yamaha S90, a synthesizer