Sp or SP may refer to:

• /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

• 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

• 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

• 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

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

• 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

• 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

• Sp. (biology), abbreviation for species
• Simulated patient, for medical training
• Substance P, a neuropeptide
• Status post, notes about sequelae with reference to their cause

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

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

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

• 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

• All pages with titles beginning with SP
• All pages with titles containing SP
• SPs
• SPS (disambiguation)