SPT may refer to:

Organisations Society for Philosophy and Technology Strathclyde Partnership for Transport, Scotland Sunpentown, a Taiwanese appliance manufacturer

Science and technology Septic pelvic thrombophlebitis, a postpartum complication Serine C-palmitoyltransferase, an enzyme catalyst Shortest processing time in single machine scheduling Single-particle tracking within a medium Skin prick test, in diagnosis of allergies South Pole Telescope Standard penetration test, used to measure soil properties Stationary Plasma Thruster, a type of ion engine ion for spacecraft Symmetry-protected topological order, in zero-temperature matter Social penetration theory, a proposed theory of relationship development

Mathematics Shortest-path tree, a type of graph Spt function or smallest parts function, related to partition function

Railway stations Sandpoint station, Idaho, United States Spotswood railway station, Melbourne, Australia Springhurst railway station, Australia Stockport railway station, United Kingdom

Other uses Stochastic portfolio theory Super Powered Tracer, in anime Blue Comet SPT Layzner Substantial Presence Test, US criterion for residency Sony Pictures Television, TV production and distribution arm of Sony Pictures Entertainment