SCT, a three-letter acronym, may refer to:

Businesses and organizations Scientific Cutting Tools, a U.S. manufacturer of carbide cutting tools Save China's Tigers, an international organisation that aims to save South China tigers SCT Logistics, a transport company in Australia Secretariat of Communications and Transportation (Mexico), Mexico's federal ministry of transportation and communications Slovenija ceste Tehnika, formerly the biggest Slovenian construction company Southampton Container Terminals, a port operator in Southampton, England Sree Chitra Thirunal College of Engineering, Kerala, India Suffolk County Transit, a bus system that serves Suffolk County, New York Systems & Computer Technology Corp., which was acquired by SunGard

Science Sacrococcygeal teratoma, a kind of tumor SCT (gene), gene for a human hormone secretin Scutum, a constellation Semi-Conductor Tracker, part of the Inner Detector in the ATLAS experiment Signed Certificate Timestamps, a part of Certificate Transparency Systems-centered therapy, a type of psychotherapy also frequently utilized in organizational development Social cognitive theory, a psychological theory about learning through observation Social choice theory, a branch of economics about collective decision-making Schmidt–Cassegrain telescope

Medicine Sluggish cognitive tempo, a potentially new attention disorder, see Cognitive disengagement syndrome SNOMED-CT, a systematic clinical terminology Stem cell transplantation, see Hematopoietic stem cell transplantation

Other uses Scotland, per BS 6879 standard Sentence completion tests SEPA Credit Transfer, a standardised pan-European payment instrument used across the Single Euro Payments Area or SEPA Seychelles Time, a time zone used in the Seychelles Signed certificate timestamp, a timestamp returned by the certificate transparency log when a valid digital certificate is submitted Socotra Airport, on a Yemeni island of Socotra in the Indian Ocean Survival craft transceiver, a type of handheld radiotelephone used for maritime on-scene rescue communication YAKINDU Statechart Tools, software for the specification and development of reactive, event-driven systems

See also S. Ct.