S40

S40 may refer to:

Aircraft

• SABCA S.40, a Belgian trainer aircraft
• Sikorsky S-40, an American amphibious flying boat
• Spectrum S-40 Freedom, an American business jet

Automobiles

• Suzuki Boulevard S40, a Japanese motorcycle
• Toyota Crown (S40), a Japanese luxury car
• Volvo S40, a Swedish automobile

Electronics

• Canon PowerShot S40, a digital camera
• IBM NetVista S40, a personal computer
• Series 40, a software platform used in Nokia cell phones
• Siemens S40, a mobile phone

Rail and transit

• S40 (New York City bus)
• S40 (TILO), a regional rail line in Ticino, Switzerland
• S40 (ZVV), a line of the Zürich S-Bahn in Switzerland

Roads

• County Route S40 (Bergen County, New Jersey)
• New Jersey Route 72, designated Route S40 until 1953

Submarines

• Brazilian submarine Riachuelo (S40)
• HMS Upholder (S40), a submarine of the Royal Navy
• INS Vela (S40), a submarine of the Indian Navy
• USS S-40 (SS-145), a submarine of the United States Navy

Other uses

• S40 Racing, a 1997 freeware game
• S40: To clean the floor and all objects contaminated by this material use ... (to be specified by the manufacturer), a safety phrase
• Somua S40, a prototype French tank
• Sulfur-40, an isotope of sulfur
• S40, a postcode district in Chesterfield, England