S2

S2 or S II may refer to:

Science and technology S2 (star), a star in the Milky Way galaxy S/2007 S 2, a natural satellite of Saturn S2 impact (ie, "Spherules 2"), major impact of early Earth S2 map projection, a map projection created at Google S2 steel (shock resisting steel) S2: Keep out of the reach of children, a safety phrase in chemistry Disulfur (S2), an allotrope of sulfur Sulfide () anion

Mathematics S2, the two-dimensional n-sphere S2, the permutation group on two elements s2, the variance of a variable

Biology and medicine British NVC community S2, a swamps and tall-herb fens community in the British National Vegetation Classification system Schneider 2 cells, or S2 cells, a commonly used Drosophila cell line

Secondary somatosensory cortex, a brain area in the parietal cortex Sacral spinal nerve 2, a spinal nerve of the sacral segment Schedule 2, an Australian legal category assigned to drugs; See Standard for the Uniform Scheduling of Medicines and Poisons S2, the second sacral vertebrae S2 (heart sound), a sound in cardiac auscultation ATC code S02 Otologicals, a subgroup of the Anatomical Therapeutic Chemical Classification System

Computing S2 (programming language) S2 Spreadsheet, by IBM in 1984

Transportation Cars AS S2, a 1927 car manufactured in Poland Audi S2, a turbo-charged sports car Lotus Elise S2, a Lotus Elise production series of roadster automobile Porsche 944 S2, a 3l naturally aspirated Porsche 944 sports car

Roads and bus routes County Route S2 (California) Expressway S2 (Poland), a southern bypass of Warsaw S2 National Highway, one of the National Highways of Pakistan S2 expressway (Shanghai), an expressway in Shanghai also known as the Hulu Expressway S2, an abbreviation for a standard single carriageway road, with a single lane going in each direction Stagecoach Gold bus route S2, a bus route in Oxfordshire, England

Aviation and space Bangladesh (aircraft registration code) JetLite (IATA airline code) Focke-Wulf S 2, a 1928 German trainer aircraft Grumman S-2 Tracker, a 1952 United States Navy anti-submarine warfare (ASW) aircraft SABCA S-2, a 1926 Belgian aircraft Short S.2, a Short Brothers aircraft Strojnik S-2, motorglider S-II or S-2, the second stage of the Saturn V rocket

Rail Locomotives Alco S-2, a locomotive Pennsylvania Railroad class S2, a unique steam turbine locomotive NER Class S2, a class of British steam locomotives

Passenger services S2 (Berlin), an S-Bahn service S2 (Dresden), an S-Bahn service S2 (Munich), an S-Bahn service S2 (Nuremberg), an S-Bahn service S2 (RER Vaud), an S-Bahn service in Switzerland S2 (Rhine-Main S-Bahn), an S-Bahn service S2 (Rhine-Ruhr S-Bahn), an S-Bahn service S2 (St. Gallen S-Bahn), an S-Bahn line in Switzerland S2 (ZVV), a service of the Zurich S-Bahn in Switzerland S2, a Breisgau S-Bahn service in Germany S2, a planned Bremen S-Bahn service in Germany S2, a Carinthia S-Bahn service in Austria S2, a Chur S-Bahn service in Switzerland S2, a Hamburg S-Bahn service in Germany S2, a Hanover S-Bahn service in Germany S2, a RheinNeckar S-Bahn service in Germany S2, a Rostock S-Bahn service in Germany S2, a Salzburg S-Bahn service in Austria S2, a Stuttgart S-Bahn service in Germany S2, a Stadtbahn Karlsruhe service in Germany S2, a Tyrol S-Bahn service in Austria and Italy (South Tyrol) S2, an Upper Austria S-Bahn service in Austria S2, a Vienna S-Bahn service in Austria S2, a Vorarlberg S-Bahn service in Austria, Liechtenstein and Switzerland Line S2 (BCR), a commuter rail service in Beijing, Chian Line S2 (Milan suburban railway service), Italy Line S2 (Nanjing Metro), a suburban rapid transit line currently under construction in China Line S2 (Wenzhou Rail Transit), a suburban rapid transit line currently under construction in China Line S2 (Wuxi Metro), China FGC line S2, a suburban train service in Barcelona Province, Spain

Military Soviet submarine S-2, a Soviet World War II submarine Grumman S-2 Tracker, a US Navy aircraft Finnish torpedo boat S2, which sank in 1925 USS S-2 (SS-106), a US Navy submarine Göta Signal Corps (designation S2), a 1944–1997 Swedish Army signal unit S2 (missile), the first deployed French land-based strategic missile S-2, a military intelligence officer on the staff of a regiment or battalion HMS Rorqual (S02), a 1956 British Royal Navy Porpoise-class submarine ORP S-2, Polish World War II motor gun boat

Organisations S2 Records, a subsidiary of Sony Music S2 (TV channel), a former Scottish television channel S2 Games, a video game developer S2 Yachts, a defunct sailboat-building company

Products Nintendo Switch 2, a hybrid video game console Samsung Galaxy S II, an Android smartphone Samsung Gear S2, a Tizen smartwatch Samsung Galaxy Tab S2, an Android tablet Cameras Nikon S2, a 35mm rangefinder camera produced between 1954 and 1958 as part of the Nikon S-mount range Nikon 1 S2, a digital mirrorless interchangeable lens camera Canon PowerShot S2 IS, a 2005 5.0 megapixel digital camera FinePix S2 Pro, a 2002 interchangeable lens digital single-lens reflex camera by Fuji Leica S2, a 2009 37 million pixel medium format digital single-lens reflex camera

Other uses Seremban 2, a suburb of Seremban, located in Negeri Sembilan, Malaysia S2, a version of the racing simulation Live for Speed S2, a district of the S postcode area, covering areas of eastern Sheffield Seattle Sounders FC 2, nicknamed S2 Second year, in the Scottish education system S2 (classification), used for categorising swimmers based on their level of disability Silent Storm, a 2003 video game also known as S2: Silent Storm Splatoon 2, a 2017 video game for the Nintendo Switch Pitts Special, Two-Seat Aerobatics Biplane

See also 2S (disambiguation)