SPP1 or SPP-1 may refer to:
*
SPP-1 underwater pistol
The SPP-1 underwater pistol was made in the Soviet Union for use by Soviet frogmen as an underwater firearm.Popenker, Max R.SPP-1 underwater pistol ", '' world.guns.ru'', Retrieved 2010-04-05 It was developed in the late 1960s and accepted for ...
, a USSR firearm made for Soviet frogmen
*
Secreted phosphoprotein 1, a human gene product
*
Suppressor of Pericarp Pigmentation 1, a maize gene implied in the phlobaphene metabolic pathway
{{Letter-NumberCombDisambig