| Acronym | Definition |
|---|
| SMS | Short Message Service (cellular phone text messaging) |
| SMS | Systems Management Server (Microsoft) |
| SMS | Sega Master System |
| SMS | Safety Management System |
| SMS | System Management Services |
| SMS | Storage Management Services (NetWare) |
| SMS | Safety Management Systems (airlines) |
| SMS | Security Management System |
| SMS | System-Managed Storage |
| SMS | Service Management System (SS7/AIN) |
| SMS | Schloemann Siemag |
| SMS | Super Mario Sunshine (video game) |
| SMS | Strategic Management Society |
| SMS | Short Messaging System |
| SMS | Siemens Medical Solutions |
| SMS | Student Management System(s) |
| SMS | Southwest Missouri State |
| SMS | Storage Management Subsystem |
| SMS | Security Management Service (UK NHS) |
| SMS | Surface-water Modeling System |
| SMS | Smith-Magenis Syndrome |
| SMS | Springer Miller Systems (hotel management software) |
| SMS | Subscriber Management System |
| SMS | System Management System |
| SMS | School Management System |
| SMS | Subscriber Management System (Telephony) |
| SMS | Shuttle Mission Simulator |
| SMS | School Management Services |
| SMS | Software Management System |
| SMS | Systems Management Service (Microsoft) |
| SMS | Simple Message Service |
| SMS | Sailor Moon Super (anime) |
| SMS | Single Malt Scotch |
| SMS | Sailor Moon S (anime series) |
| SMS | Synchronous Meteorological Satellite |
| SMS | Stiff Man Syndrome |
| SMS | System Management Service |
| SMS | Subject Matter Specialists |
| SMS | Stranka Mladih Slovenije (Slovene Youth Party, Slovenia) |
| SMS | Super Mario Strikers (video game) |
| SMS | Sales and Marketing Services |
| SMS | Special Mint Set (numismatics/coin collecting) |
| SMS | Stores Management System |
| SMS | Sheet Metal Screw |
| SMS | Shawnee Mission South (Overland Park, Kansas public high school) |
| SMS | Sample Management System |
| SMS | School of Management Studies |
| SMS | Screen Management System |
| SMS | Spunbond Meltblown Spunbond (nonwoven fabric used in surgical gowns, similar to Gortex) |
| SMS | Strategic Missile Squadron |
| SMS | Service Management Strategy |
| SMS | Survey Management System (statistics, New Zealand) |
| SMS | Shared Memory System |
| SMS | Shared Medical Systems Corporation |
| SMS | Security and Management Services |
| SMS | Smith Middle School (Glastonbury, CN) |
| SMS | Senior Master Sergeant |
| SMS | Science Made Stupid |
| SMS | Sailor Moon Stars (anime) |
| SMS | Systems Managed Storage |
| SMS | Svenska Matematikersamfundet |
| SMS | Southern Middle School (Kentucky) |
| SMS | Station Management System |
| SMS | Stanford Medical School |
| SMS | Swing Modulo Scheduling |
| SMS | St Marie, Madagascar (Airport Code) |
| SMS | Sandburg Middle School |
| SMS | Special Migration Statistics |
| SMS | Siemens Medical Systems, Inc |
| SMS | Skills Management System |
| SMS | Space Management System |
| SMS | Steel Maelstrom (gaming clan) |
| SMS | Science Mission Specification |
| SMS | Single Messaging System |
| SMS | Soldier Management System |
| SMS | Smyrna Middle School (Smyrna, Delaware) |
| SMS | Simmons Middle School |
| SMS | Sediment Management Standards (WA State) |
| SMS | Slot Management System |
| SMS | Single Mobility System (aggregates data from various transportation systems) |
| SMS | Sunrise Middle School |
| SMS | Schedule Management System |
| SMS | Site Monitoring System (Lockheed Martin, Management and Data Systems) |
| SMS | System Management Station |
| SMS | State Medical Society of Wisconsin (Madison, Wisconsin) |
| SMS | Single Machine Scheduling (engineering) |
| SMS | Surface Missile System |
| SMS | Scheduled Maintenance System |
| SMS | Snellville Middle School (Snellville, Georgia) |
| SMS | Send Mere Slik (Danish: send more candy; movie) |
| SMS | Semiconductor Manufacturing System |
| SMS | Supplier Management Systems |
| SMS | Software Management Solutions, Inc. |
| SMS | Saint Mark's School |
| SMS | Stanton Middle School |
| SMS | Sorraia Mustang Studbook |
| SMS | Simulation Modeling System |
| SMS | Systems Modernization and Sustainment Center |
| SMS | Silverado Middle School (California) |
| SMS | Sexual Medicine Society of North America, Inc. (Schaumburg, IL) |
| SMS | Svenska Meteorologiska Sällskapet |
| SMS | Styrene-a-Methylstyrene |
| SMS | Structures and Mechanisms Subsystem |
| SMS | Signal Measurement System |
| SMS | Stress Management Society (UK) |
| SMS | Single Messaging Solution |
| SMS | Standard Management System (SS7) |
| SMS | System Management Subsystem |
| SMS | Sucrose Monostearate |
| SMS | Sensor Monitoring Set |
| SMS | Stockbridge Middle School (Georgia) |
| SMS | Sinaloa Middle School (Simi Valley, CA, USA) |
| SMS | Stoneham Middle School (Stoneham, MA) |
| SMS | Seiner Majestäts Schiff (German: His Majesty's Ship) |
| SMS | Shivela Middle School (California) |
| SMS | Schimelpfenig Middle School (Plano, Texas) |
| SMS | Slow Moving Software |
| SMS | Space Mission Simulator |
| SMS | Satellite Management System |
| SMS | Smedberg Middle School |
| SMS | SDH Management System (Sprint) |
| SMS | Shirley Middle School (Shirley, MA) |
| SMS | Sleep Management System |
| SMS | Shipper Management System |
| SMS | Satellite Multiservices System |
| SMS | Smith Machinery Sales |
| SMS | Supplies Management System |
| SMS | Standard Material Specification |
| SMS | Source Mass Spectrometer |
| SMS | Special Monitoring Status |
| SMS | Semi-automatic Meteorological Station |
| SMS | SONET Management System (Megasys/Sprint) |
| SMS | Shared Marketing Services, Inc |
| SMS | Scenario Manager Suite (Siebel Systems) |
| SMS | Sample Mean Square |
| SMS | Selective Mass Storage |
| SMS | Ships Motion Simulator |
| SMS | System Management Station HWCI |
| SMS | Ships Missile System |
| SMS | Switch Maintenance Subsystem |
| SMS | Subrate Microprocessor System (AT&T) |
| SMS | SURTASS Mission Supervisor (US Navy - Surveillance Towed Array Sensor System) |
| SMS | System Maintenance Monitoring Support |
| sMs | Smart Mediary Systems |
| SMS | Specialized Management Service Incorporated |
| SMS | Single Member Sponsor |
| SMS | Superior Maintenance Services, Inc. |
| SMS | Software Modification Sheet |
| SMS | Spirit of Math Schools Inc (Toronto, ON and Winnipeg, MB) |
| SMS | Softcopy Mapping System |
| SMS | Submicron Systems Corporation |
| SMS | Service Manager for Storage (Veritas) |
| SMS | Solidstate Modular System |
| SMS | Sprint Mailing Services |
| SMS | System Mode Sounding |
| SMS | Selecta Mathematica Sovietica |
| SMS | Stupid Man Syndrome |
| SMS | Services Mediation Switch (Castle Networks) |
| SMS | Student Motorsport Scotland (RAC-MSA car club) |
| SMS | Southwest Management Services (Austin, TX) |
| SMS | Stationary Memoryless Source |