# 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
* 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
* Szkoła Podstawowa ("primary school" in polish)
* 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

* Sp. (biology), 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
* "Shot put" athletics abbreviation in track and field