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
The Dallara SP1, also known as the Chrysler LMP, was a Le Mans Prototype built by Italian firm Dallara. Initially used as part of Chrysler Corporation's attempt to win the 24 Hours of Le Mans, the cars were later sold to customers for use series su ...
, 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
Shapley 1 (''Sp 1'' or ''PLN 329+2.1'') is an annular planetary nebula in the constellation of Norma with a magnitude of +12.6. As viewed from Earth, it is peculiar in that it seems to be a non- bipolar, torus-shaped planetary nebula. However, i ...
, an annular planetary nebula in the constellation of Norma
*
Service pack 1, a collection of computer program patches and alterations
*
Surface Pro
The Surface Pro is a line of 2-in-1 detachable devices marketed by Microsoft, as a sub-brand of their Surface
A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object or space. It is the portio ...
, 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
Mamod was a toy manufacturer that was based in Britain that specialized in producing live steam Models until closure in 2024. The company was founded in Birmingham in 1937 by Geoffrey Malins. The name "Mamod" is a Portmanteau, combination of " ...
* a sink in the
Sima Pumacocha
Sima Pumacocha (possibly from Spanish ''sima'' deep and dark cavern/abyss, Quechua ''puma'' cougar, puma, ''qucha'' lake) is a limestone cave located in the Lima Region, Yauyos Province, Laraos District, in central Peru near the village of Larao ...
, a cave in Peru
{{Letter-Number Combination Disambiguation