S7 or S-7 may refer to:

• Acer Aspire S7, a laptop
• Samsung Galaxy S7, a smartphone
• Samsung Galaxy Tab S7, a tablet computer
• Simatic S7 PLC [tr], 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

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

• 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

• 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

• Audi S7, a German executive sports sedan
• BYD S7, a Chinese mid-size SUV formerly known as S6
• Forthing Xinghai S7, a Chinese electric full-size sedan
• 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
• Trumpchi Xiangwang S7, a Chinese mid-size crossover SUV

• Sunbeam S7, a British motorcycle

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

• 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), a line in Germany
• S7 (Rhine-Ruhr S-Bahn), a line in Germany
• S7 (St. Gallen S-Bahn), a cross-border line in Switzerland, Austria and Germany
• S7 (ZVV), a Zurich S-Bahn line in the cantons of St. Gallen and Zurich, Switzerland
• S7, a line of Lucerne S-Bahn in the cantons of Bern and Lucerne, Switzerland
• S7, a line of Styria S-Bahn in Austria
• S7, a cross-border line of Tyrol S-Bahn in Austria and Germany
• Capital Airport–Daxing Airport intercity railway, or Line S7, Beijing, China
• Line S7 (Nanjing Metro), China

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

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

• 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

• 7S (disambiguation)

Topics referred to by the same term

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