S7

S7 or S-7 may refer to:

Electronics and software

 * Acer Aspire S7, a laptop
 * Samsung Galaxy S7, a smartphone
 * Samsung Galaxy Tab S7, a tablet computer
 * Simatic S7 PLC, an automation system based on Programmable Logic Controller from Siemens, successor to Simatic S5 PLC
 * SPARC S7, a computer processor using the SPARC instruction set
 * Sub7, a computer backdoor

Media

 * Sovereign Seven, a superhero team and comic book published by DC Comics in 1995–1998
 * Samurai 7, a 2004 anime series

Science and technology

 * 7-sphere (S7), an n-sphere
 * Heptasulfur (S7), a cyclic allotrope of sulfur
 * S7 or S-7, a grade of tool steel
 * S7: Keep container tightly closed, a safety phrase in chemistry

Air

 * Ambrosini S.7, an Italian racing aircraft flown before World War II
 * Rans S-7 Courier, a light aircraft
 * S7 Airlines, a Russian commercial airline, its IATA Airlines code is also S7

Automobiles

 * Audi S7, a German executive sports sedan
 * BYD S7, a Chinese mid-size SUV formerly known as S6
 * Haima S7, a Chinese compact SUV
 * Huansu S7, a Chinese mid-size SUV
 * JAC Refine S7, a Chinese mid-size SUV
 * Saleen S7, an American supercar

Motorcycles

 * Sunbeam S7, a British motorcycle

Trains

 * London Underground S7 Stock, a type of train on London Underground, England
 * Prussian S 7, a Prussian steam locomotives class

Lines

 * S7 (Vienna), an S-Bahn line in Austria
 * S7 (Berlin), an S-Bahn line in Germany
 * S7 (Munich), an S-Bahn line in Germany
 * S7 (Rhine-Main S-Bahn), an S-Bahn line in Germany
 * S7 (Rhine-Ruhr S-Bahn), an S-Bahn line in Germany
 * S7 (St. Gallen S-Bahn), an S-Bahn line in Switzerland
 * S7 (ZVV), an S-Bahn line in Zürich, Switzerland
 * Capital Airport–Daxing Airport intercity railway, or Line S7, Beijing, China
 * Line S7 (Nanjing Metro), China

Roads and routes

 * County Route S7 (California)
 * Expressway S7 (Poland)
 * S7 Shanghai–Chongming Expressway
 * Jinxiong Expressway, where its Tianjin section is numberred S7

Watercraft

 * HMS Sealion (S07), a 1959 British Porpoise-class submarine
 * USS S-7 (SS-112), a 1920 S-class submarine of the United States Navy

Other uses

 * S7 (classification), a disability swimming classification
 * S7 postcode, a postcode covering areas of southern Sheffield, England
 * British NVC community S7, a swamps and tall-herb fens community in the British National Vegetation Classification system