SOS (disambiguation)
SOS is the common name of the international Morse code distress signal.
SOS may also refer to:

Places
Sos, Artsakh, Azerbaijan, a village in Khojavend District
Sos, Lot-et-Garonne, France, a commune in southern France
Sos del Rey Católico, Aragon, Spain, a town in Zaragoza Province

People
Bill Sayer (1934-1989), an English rugby league player nicknamed Sos
sOs (gamer), a StarCraft II esports player
Shaun Marsh (born 1983), an Australian cricketer nicknamed SOS (Son of Swampy)
Sós, a surname
Stephen Silvagni (born 1967), an Australian football player nicknamed SOS

Arts, entertainment, and media
Films
S.O.S. (1928 film), a 1928 British adventure film
S.O.S. (1999 film), a 1999 Norwegian / Italian comedy film
S.O.S. – En segelsällskapsresa, a 1988 Swedish comedy film
Son of Sardaar, a 2012 Indian Hindi-language action-comedy film

Games
SOS (arcade game), a 1979 shoot 'em up arcade game by Namco
SOS (1993 video game), a 1993 SNES video game
SOS: The Final Escape or Disaster Report, a 2002 PS2 video game
SOS (game), a paper and pencil game

Literature
"SOS" (short story), a 1933 short story by Agatha Christie
Sos the Rope, a 1968 novel by Piers Anthony
S.O.S. (novel), a 2001 novel by Joseph Connolly
"SOS", a 2003 short story manga collection by Hinako Ashihara

Music
Groups and labels
SOS (Indonesian group), an Indonesian girl group active from 2012–2016
SOS (Turkish Cypriot band), a Turkish Cypriot rock band active since 1987
SOS, a British band founded by Bernie Marsden
Sisters of Shu, Dee Shu and Barbie Shu
Swing Out Sister, a UK band active since the 1980s
Symphony of Soul, the band of Bowie State University in Maryland, US
The S.O.S. Band, an American R&B and electro-funk band active since 1977
SOS Records, a punk rock record label

Albums
S.O.S. (S.O.S. Band album), a 1980 album and debut of The S.O.S. Band
S.O.S., a 1998 album by La Bouche, and its title song
S.O.S (Morgana Lefay album), a 2000 album by Morgana Lefay
SOS (SZA album), a 2022 album by SZA
$O$, a 2010 album by Die Antwoord
SOS (Millencolin album), a 2019 album by Millencolin

Songs
"Stop Her on Sight (S.O.S.)" by Edwin Starr, 1966
"S.O.S. (Too Bad)", by Aerosmith, 1974
"(Sending Out An) S.O.S." by Retta Young, 1975
"SOS" (ABBA song), 1975
"S.O.S." (Pink Lady song), 1976
"S.O.S." (ABC song), 1984
"S.O.S" (Jonas Brothers song), 2007
"S.O.S." (Ola song), 2007
"S.O.S." by Stratovarius, from the album Destiny
"S.O.S. (Let the Music Play)", by Jordin Sparks
"S.O.S. (The Tiger Took My Family)", by Dr. Bombay (Jonny Jakobsen)
"S.O.S.", by Collie Buddz from WWE The Music, Vol. 8
"S.O.S.", by Jerry Cantrell from Degradation Trip Volumes 1 & 2
"S.O.S.", by Chroma Key from Dead Air for Radios
"S.O.S.", by Good Charlotte from The Chronicles of Life and Death
"S.O.S.", by Gotthard from Firebirth
"S.O.S.", by Earl Greyhound from Soft Targets
"S.O.S." (Indila song), by Indila from Mini World
"S.O.S.", La Bouche song
"S.O.S.", by The Suicide Machines from their album Destruction by Definition
"S.O.S. (Anything But Love)", by Apocalyptica from Worlds Collide
"S.O.S.", by The Breeders from Last Splash
"SOS" (Avicii song)
"SOS" (Elena Patroklou song), 1991, Cypriot entry in the Eurovision Song Contest 1991
"SOS" (Rihanna song), 2006
"SOS", by Papa Roach from The Paramour Sessions
"SOS", by Sekai no Owari
"SOS", by Take That from their album Progress
"Same Ol' Situation (S.O.S.)", by Mötley Crüe on the album Dr. Feelgood
"S.O.S. (Smile on Smile)", by Kis-My-Ft2

Television
S.O.S. (Agents of S.H.I.E.L.D.), a 2015 episode and season 2 finale
"S.O.S. (Lost)", a 2006 episode of the second season
S.O.S.: Sexo y otros secretos, a 2007 Mexican TV series
"S.O.S", a segment of the 2017 Thai TV series Project S: The Series

Computing, and technology
Apple SOS, an operating system
Science On a Sphere, a display system
Secure Our Smartphones, New York State and San Francisco initiative
Sensor Observation Service, a standardized web service (OGC)
Scrum of scrums, in software development
SHARE Operating System, IBM
Silicon on sapphire, a circuit-manufacturing process
Son of sysreport, in Linux; see Red Hat § Utilities and tools
Special ordered set, in optimization
Structural operational semantics, in computer programming
System of systems, in systems engineering

Food
S.O.S. (appetizer), Swedish
"Shit On a Shingle", US military slang for chipped beef on toast

Government and military
Secretary of state
Services of Supply, a branch of the United States army
Special Operations Squadron, United States Air Force units
Squadron Officer School, a United States Air Force leadership school
State Defense Guard (Czechoslovakia), Czechoslovakia, 1918–1936

Mathematics
Polynomial SOS, decomposing into a sum of squares
Sum of squares (disambiguation), in mathematics

Medicine and science
Si opus sit, use medicine if needed
Sinusoidal obstruction syndrome, a medical condition
Son of Sevenless, a type of gene
SOS response, a DNA repair system

Organizations
Boat People SOS, a Vietnamese-American association
Samaritans of Singapore, a suicide prevention centre
Save Outdoor Sculpture!, a program of Heritage Preservation from 1989–1999
Secular Organizations for Sobriety, an addiction recovery program
Share Our Strength, a US hunger relief organization
SOS Children's Villages, an organization that maintains housing and services for children without stable parental care
SOS Sahel Ethiopia, a non-governmental organization in Ethiopia working on rural development
Stop Our Ship (SOS), an antiwar movement during the Vietnam War

Sport
Strength of schedule, a competitor rating statistic
Survival of the Shawangunks, a triathlon held in New Paltz, New York

Other uses
Södersjukhuset, a hospital in Stockholm, Sweden
Somali shilling (ISO 4217 code: SOS), currency of Somalia
SOS incident, several missing person incidents in Hokkaidō, Japan in the 1980s