SP

Sp or SP may refer to:

Arts and entertainment

 * /sp/, the sports board on the Internet forum 4chan
 * SP (TV series), a Japanese TV series
 * Game Boy Advance SP, an upgraded version of the Game Boy Advance handheld video game system, released in 2003
 * Short Play, or Single Play, term used for shorter formats of records than Extended Play
 * Standard Play, a magnetic tape speed used for VHS
 * Story Pirates, a podcast
 * Subdominant parallel, a type of musical chord
 * SP, producer stage name of Mumzy Stranger (born 1984), British rapper
 * SP, stage name of Krisztián Éder (born 1988), Hungarian rapper
 * South Park, an animated American television series
 * The Smashing Pumpkins, an American alternative rock band

Businesses and organizations

 * SP (magazine), illustrated news magazine in Spain between 1957 and 1972
 * SP Technical Research Institute of Sweden
 * ScottishPower, Scottish energy company
 * Service provider, company that provides organizations with consulting, legal, real estate, education, communications, storage, processing, and many other services
 * Silicon Power, Taiwan-based manufacturer of flash memory products and other industrial grade computer products
 * Singapore Polytechnic, polytechnic in Dover, Singapore
 * Státní podnik ("state business"), former Czechoslovakian entity type
 * Story point, term used in agile software development methodologies
 * Suara Pembaruan, former Indonesian newspaper

Government and military

 * Superintendent of police (India), a senior rank in the Indian police and law enforcement agencies
 * A US Navy hull registration number prefix: Section patrol (SP)
 * Security Police (Japan), for VIP protection
 * Shore patrol, UK and US naval security personnel

Political parties

 * Centre Party (Norway) (Senterpartiet)
 * Socialist Party or Social Democratic Party in many places, including:
 * Socialist Party of Albania
 * Samajwadi Party, in India
 * Socialist Party (Netherlands) (Socialistische Partij)
 * Socialistische Partij Anders (Socialistische Partij), a historical name for the sp.a in Belgium
 * Socialist Party (Netherlands, interbellum) (Socialistische Partij) 1918–1929
 * Social Democratic Party of Switzerland

Religious organizations

 * Piarists or Ordo Clericorum Regularium pauperum Matris Dei Scholarum Piarum, a Catholic order
 * Südtiroler Pfadfinderschaft, a Catholic scouting association in Italy

Places

 * SP postcode area, UK, the Salisbury postcode area
 * São Paulo (state), a state in Brazil
 * São Paulo, capital of the state and the most populous city of Brazil

Science and technology

 * sp orbitals, in physics, an instance of atomic orbital hybridisation
 * Self-propelled (disambiguation)
 * Soft-point bullet, a type of ammunition
 * Spontaneous potential differences in the Earth
 * Stated Preference, a choice modelling method
 * Surface plasmon, a type of electron oscillation along metallic surfaces
 * A Unified Soil Classification System symbol for sand, poorly graded

Biology and medicine

 * Abbreviation for species
 * Simulated patient, for medical training
 * Substance P, a neuropeptide
 * Status post, notes about sequelae with reference to their cause

Computing and telecommunications

 * IBM Scalable POWERparallel (SP), a series of supercomputers
 * Service pack, software update
 * Stack pointer
 * Stored procedure
 * Synthetic programming

Mathematics

 * Trace (linear algebra), or "Spur" (German), of a square matrix
 * Sp(n) and Sp(2n,F), a symplectic group in mathematics

Transportation

 * SATA Air Acores (IATA code SP)
 * Saidapet railway station (station code SP)
 * Southern Pacific Railroad (reporting mark SP)

Other uses

 * 25 metre pistol, a shooting sport formerly known as sport pistol
 * Aircraft registration prefix for Poland
 * s.p., sine prole (Latin: "without issue" (i.e., having no children), full form d.s.p. decessit sine prole, "died without issue")
 * Ś.P. Świętej pamięci meaning holy memory is written on many Polish gravestones
 * Provincial road (Italy) (Strada Provinciale), a category of provincial roads in Italy
 * September
 * Seri Pahlawan Gagah Perkasa (S.P.), a Malaysian military decoration
 * Spanish language
 * Special (disambiguation)
 * Spelling, especially to note a spelling error
 * Spurius, the Roman praenomen; see Spurius (disambiguation)
 * Starting pitcher, a team's first pitcher in a game of baseball or softball
 * Suppressive person, in Scientology
 * Starting price, odds applicable on a particular entry in a horse race (or other race) as the race is about to start
 * Superintendent (police), a rank in British police services and in most English-speaking Commonwealth nations
 * SP, an abbreviation for the Syrian pound