SP1 and variants may refer to:
*
Bowlus SP-1 Paper Wing, glider
*
SP-1 switch, a late 1960s telecommunications switch by Northern Electric
*
Sp1 transcription factor
Transcription factor Sp1, also known as specificity protein 1* is a protein that in humans is encoded by the ''SP1'' gene.
Function
The protein encoded by this gene is a zinc finger transcription factor that binds to GC-rich motifs of many p ...
, a human protein
*
Dallara SP1, a race car
*
Savoia-Pomilio SP.1, a reconnaissance and bomber aircraft built in Italy during the First World War
*
USS Arawan II (SP-1), a motor yacht that served in the United States Navy as a patrol vessel from 1917 to 1918
*
Vektor SP1/SP2, a pistol
* SP-01, a variant of the
CZ 75
The CZ 75 is a semi-automatic pistol made by Czech Republic, Czech firearm manufacturer Česká zbrojovka Uherský Brod, ČZUB. First introduced in 1975, it is one of the original "Wonder Nine, wonder nines" and features a staggered-column magaz ...
pistol
*
Shapley 1, an annular planetary nebula in the constellation of Norma
*
Service pack 1, a collection of computer program patches and alterations
*
Surface Pro, a laplet by Microsoft
*
''Skulduggery Pleasant'' (novel), a young adult fiction novel by Derek Landy
* a model of steam toy made by British manufacturer
Mamod
* a sink in the
Sima Pumacocha, a cave in Peru
{{Letter-Number Combination Disambiguation