| Acronym | Definition |
|---|
| SIC | Standard Industrial Classification |
| SIC | [not an acronym] Latin: thus; so (not a mistake and is to be read as it stands) |
| SIC | Silicon Carbide |
| SIC | School Improvement Council |
| SIC | Statement of Internal Control (UK) |
| SIC | Students in Construction (California) |
| SIC | Second In Command (aviation) |
| SIC | Sistema Interconectado Central (Spanish: Central Interconnected System; Chile) |
| SIC | Superintendencia de Industria y Comercio (Colombia) |
| SIC | Sea Isle City (New Jersey) |
| SIC | Systèmes d'Information et de Commandement (French: Information Systems Command) |
| SIC | Smart Interface Card |
| SIC | Seat in Coach (tours & travels) |
| SIC | Successive Interference Cancellation |
| SIC | Senate Intelligence Committee |
| SIC | Sepang International Circuit (Malaysia) |
| SIC | Shimane International Center (Japan) |
| SIC | Sistema Informativo Comunale (Italian: Municipal Information System) |
| SIC | Sport Interuniversitaire Canadien (French: Canadian Interuniversity Sport; Canada) |
| SIC | Sistema Internacional de Cotizaciones (Spanish: International Quotation System; Mexico) |
| SIC | Shetland Islands Council |
| SIC | Standing Interpretations Committee (International Accounting Standards) |
| SIC | Simple Irc Client |
| SIC | Serial Interface Card |
| SIC | Standard Interface Controller |
| SIC | Software Integrated Circuit |
| SIC | Standard Industrial Code |
| SIC | Special Indicator Codes |
| SIC | Still Image Capture |
| SIC | Siti di Importanza Comunitaria |
| SIC | Self Interference Cancellation (wireless communications) |
| SIC | San Isidro Club (rugby; Argentina) |
| SIC | Swiss Interbank Clearing |
| SIC | Sudbury Igneous Complex (lopolith; Canada) |
| SIC | Site d'Importance Communautaire (French: Site of Community Importance; EU) |
| SIC | Supreme Islamic Council |
| SIC | State Investment Council |
| SIC | Science and Industry Council (UK) |
| SIC | Società Italiana di Chirurgia |
| SIC | Sister in Christ |
| SIC | Sociedade Independente de Comunicação (Portuguese TV Channel) |
| SIC | Shortfall Interest Charge (taxes; Australia) |
| SIC | Service Informatique Central (French) |
| SIC | Self-Interaction Correction |
| SIC | Studies in Informatics and Control |
| SIC | Società Italiana di Cardiologia |
| SIC | State Information Center |
| SIC | Sergeant in Charge |
| SIC | Spelling Is Correct |
| SIC | Science in Context |
| SIC | Standard Industry Codes |
| SIC | Sisters in Crime |
| SIC | Shareware Industry Conference |
| SIC | Sheffield International College (UK) |
| SIC | Siecor (optical cable) |
| SIC | Schengen Implementing Convention (Schengen, Luxembourg) |
| SIC | Silicon Integrated Circuit |
| SIC | Shielding Information Center (Oak Ridge National Laboratory) |
| SIC | Somewhere in Canada |
| SIC | Sea Ice Concentration |
| SIC | Serial Interface Chip (computer architecture) |
| SIC | Smart Interchange (expressway; Japan) |
| SIC | Systeme d'Information et de Communication |
| SIC | Scottsdale Insurance Company |
| SIC | Scientific Instrument Commission |
| SIC | State Investment Corporation |
| SIC | Silence Is Consent |
| SIC | Securities Information Center (Thompson Financial, Boston, MA) |
| SIC | Student Innovation Center (various schools) |
| SIC | Simple Interval Calculation |
| SIC | Semi-Interactive Console |
| SIC | Special Investigation Committee |
| SIC | Students for International Change (various locations) |
| SIC | Signal, Image, Communications |
| SIC | Silence Implies Consent |
| SIC | Soft Interference Cancellation |
| SIC | Student Involvement Center (various schools) |
| SIC | Société Internationale de Criminologie (French: International Society of Criminology) |
| SIC | Sudan Interior Church |
| SIC | Student Involvement Committee (various organizations) |
| SIC | Sceptre Investment Counsel (Canada) |
| SIC | Self Inspection Checklist |
| SIC | Student Issues Committee (various schools) |
| SIC | Subject Indicator Code |
| SIC | Semi-Intensive Course |
| SIC | Security Information Center (Deutsche Telekom, Darmstadt, Germany) |
| SIC | Serial Interference Cancellation |
| SIC | Stock Investment Club (various locations) |
| SIC | Shafston International College |
| SIC | Single Input Change |
| SIC | Systems Integration Center |
| SIC | Safety Inspection Checklist |
| SIC | System in A Cube |
| SIC | Stop Infant Circumcision |
| SIC | Salmon in the Classroom (University of Washington) |
| SIC | Sodankylä Ion Chemistry |
| SIC | Siculian (linguistics) |
| SIC | School Improvement Conference (various locations) |
| SIC | Supplementary Interest Charge |
| SIC | State Infrastructure Council (Florida) |
| SIC | Specific Inductive Capacity |
| SIC | Student Initiated Course |
| SIC | Student's Income Contribution (universities) |
| SIC | Subsea Installation Contract (petroleum industry) |
| SIC | Sicily/Sicilian |
| SIC | Standard Initial Charge (UK) |
| SIC | Subtractive Interference Cancellation |
| SIC | Spelling in Context (mnemonic for the Latin meaning 'thus so') |
| SIC | System Identification Code |
| SIC | See Inside Cover |
| SIC | Societe International de Chirurgie (French: International Society of Surgery) |
| SIC | Spacecraft Identification Code |
| SIC | Special Interest Code |
| SIC | Systemes Integres Cognitifs (French: Integrative Cognitive Systems) |
| SIC | Self-Intermittent Catheterization |
| SIC | Special Interest Community |
| SIC | Sanctuary in Chaos (gaming) |
| SIC | Support Identification Code |
| SIC | Smoke in Cabin (aviation) |
| SIC | Semantic Integrity Constraints (Telcordia) |
| SIC | System Integration Contractor |
| SIC | Spatial Information Clearinghouse |
| SIC | Structured Intellectual Capital |
| SIC | Survival Instructor Course |
| SIC | Structural Integrity Checking |
| SIC | Special Issues Committee |
| SIC | Serial Interrupt Controller |
| SIC | Survey Information Center |
| SIC | Standard Interface Connector |
| SIC | Stochastic Inventory Control (supply chain management) |
| SIC | Semaine Internationale du Cerveau (French) |
| SIC | Safety Interlock Circuit |
| SIC | Supporto Informatico Campus |
| SIC | Segundo Informação Recolhida |
| SIC | Student Information Commission |
| SIC | Sprint Internet Center |
| SIC | Simple Instance Creator |
| SIC | Structural Influence Coefficient |
| SIC | Station Information Computer |
| SIC | Special Intelligence Correlator (segment) |
| SIC | Suspected Irregular Conduct |
| SIC | Systèmes d'Information et Conception (French) |
| SIC | System Integrity Control |
| SIC | Saudi Innovation Conference |
| SIC | Service Interface Card |
| SIC | Syrian Information Center (website) |
| SIC | Single Integrated Concept |
| SIC | Snapshot and Incremental Capture (storage technique) |
| SIC | Super Intelligence Corps |
| SIC | Sympathetic Interpreter of Commands |
| SIC | Subject Identifier Code |
| SIC | Strong Interference Channel |
| SIC | Specialty and Intermediary Chemical |
| SIC | Sonar Information Center |
| SIC | Strategic Integration Council |
| SIC | Skaters in Chucks (skateboard crew; Atlanta, GA) |
| SIC | Systems Internal Communication |
| SIC | Subscriber Interface Controller |