| Acronym | Definition |
|---|
| CST | Central Standard Time (GMT-0600) |
| CST | Catholic Social Teaching |
| CST | COP (Common Operation Picture) Sync Tool |
| CST | Central Sales Tax |
| CST | Customer Service Team |
| CST | Computer Systems Technology |
| CST | Civil Support Team |
| CST | Constable (police/rank) |
| CST | Child Study Team |
| CST | Council for Science and Technology (UK) |
| CST | Certified Surgical Technologist |
| CST | Centistoke |
| CST | Centre de la Sécurité des Télécommunications (Canadian Communications Security Establishment) |
| CST | Community Security Trust (Jewish defense group in UK) |
| CST | Content Specialty Test |
| CST | Country Support Team (UNFPA) |
| CST | Computer Science and Technology |
| CST | Constitution Party |
| CST | Craniosacral Therapist |
| CST | Canada Social Transfer |
| CST | Community Support Team |
| CST | Concentrated Solar Thermal |
| CST | Center for Science and Technology |
| CST | Computer Service Technician |
| CST | Collective Security Treaty |
| CST | Competency to Stand Trial (jurisprudence) |
| CST | Central Sandinista de Trabajadores (Spanish: Sandinista Workers Central, Nicaragua) |
| CST | Contraction Stress Test |
| CST | Common Operational Picture (COP) Synchronization Tools |
| CST | Corticosteroid Therapy |
| CST | Centre for Sustainable Transportation (Canada) |
| CST | Client Service Team |
| CST | Credit Shelter Trust |
| CST | Custom Sensors and Technologies (Moorpark, CA; unit of Schneider Electric) |
| CST | Common Spanning Tree (Cisco) |
| CST | Certified Survey Technician |
| CST | Combat Survival Training (USAFA) |
| CST | Canadian Scholarship Trust Plan |
| CST | Critical Surface Tension |
| CST | Condensate Storage Tank |
| CST | Connected Speech Test |
| CST | Configuration and Service Tracker |
| CST | Confined Space Training |
| CST | Copious Spare Time |
| CST | California Standard Tests |
| CST | Chemical Science and Technology Division (Los Alamos National Laboratory) |
| CST | Certified Service Technician |
| CST | Combined Systems Test (NASA) |
| CST | Certified Security Trainer |
| CST | Certified Soil Tester (Wisconsin) |
| CST | Call Setup Time |
| CST | Consolidated Service Test (IBM mainframes software management) |
| CST | Combat Support Training |
| CST | Crisis Support Team |
| CST | Computer Science Tripos (University of Cambridge) |
| CST | Control for Stability and Traction (automotive system) |
| CST | Certified Somatic Therapist (Association of Massage Therapists and Bodyworkers) |
| CST | Conventional Stability Talks |
| CST | Crew Station Trainer (ADATS) |
| CST | Convulsive Shock Therapy |
| CST | Campus Scientifique et Technique (France) |
| CST | Chemical Surface Treatment (metal) |
| CST | Crew Systems Trainer (NASA) |
| CST | Contract Supplemental Tooling (NASA) |
| CST | Clifton Scientific Trust (Bristol, UK) |
| CST | Combined System Test |
| CST | Comma Separated Table |
| CST | Corps Support Team (US DoD) |
| CST | Color Space Transformation |
| CST | Channel Status Table |
| CST | Central Services Team |
| CST | Construction Surveillance Technician |
| CST | Canadian Society for Transplantation |
| CST | Competitively Sensitive Technology |
| CST | Combined Statistical and Technology (based MACT floor procedure) |
| CST | Customer Specific Training |
| CST | Crystal Station (Crystal City, Arlington, VA) |
| CST | Coal-fired Steam Turbine (energy) |
| CST | Cable System Tester |
| CST | Centre Spatiale de Toulouse (French) |
| CST | Cyclic Session Termination |
| CST | Context Switching Time |
| CST | Communications Support Team (USAF) |
| CST | Chatrapati Sivaji Terminus (Mumbai, India railway station) |
| CST | Common Specialist Training |
| CST | Chinese Society of Traumatology |
| CST | Coastal Survey Team |
| CST | Combat Split Trainer |
| CST | Combat Systems Targeting/Training |
| CST | Countermeasures System Torpedo |
| CST | Cell Saver Technician |
| CST | Chemical Society located in Taipei |
| CST | Correctional Services Technician |
| CST | Current Summary of the Threat |
| CST | Communications Subtest |
| CST | Canadian Society of Telehealtlh |
| CST | Coolant System Thermostat |
| CST | Cryptologic System Trainer |
| CST | Command Specification Time |
| CST | Cost Sharing Transaction (US IRS) |
| CST | Centre for the Study of the Text (Institution of the Baha'i Faith) |
| CST | Consensus Service Termination |
| CST | Certification for Sustainable Tourism (various locations) |
| CST | Cultural Section of the Trust |
| CST | Council on Student Travel |
| CST | Club de Sauvetage Toulousain (French rescue club) |
| CST | Club Subaquatique Tarbais (French diving club) |
| CST | Crime Scene Technician |
| CST | Cosmetic Surgery Times (medical website) |
| CST | Culture Scientifique et Technique (French: Scientific and Technical Culture) |
| CST | Control Systems Technology Pty. Ltd. (Australia) |
| CST | Compagnie Sucrière du Tchad (French: Chad Sugar Company; Chad) |
| CST | Communications Services Tax (various locations) |
| CST | Clan Spéléo des Troglodytes (French spelunking club) |
| CST | Client Server Technology (various locations) |
| CST | Core Strength Training |
| CST | Color Shape and Texture (program; Excalibur Technologies) |
| CST | Child Sex Tourism |
| CST | Control System Toolbox |
| CST | Cercle Sportif Trelou (French sports club) |
| CST | Commission Supérieure Technique de l'Image et du Son (French audio-visual professionals association) |
| CST | Chern-Simons Theory (physics) |