| Acronym | Definition |
|---|
| SM | Service Mark |
| SM | Square Miles |
| SM | Statute Mile |
| SM | Social Media |
| SM | Single Mode |
| SM | Small (size) |
| SM | Smooth Muscle (biology) |
| SM | Santa Maria (California) |
| SM | Spider Man |
| SM | Spiderman |
| SM | Surface Mount |
| SM | Sales Manager |
| SM | Sports Medicine |
| SM | Sailor Moon (anime) |
| SM | San Marino |
| SM | Smart Media (data storage) |
| SM | Shopping Mall |
| SM | Slave Master |
| SM | Stock Market |
| SM | Sheet Metal |
| SM | Senior Member |
| SM | Santa Monica (California) |
| SM | Systems Management |
| SM | Super Mario (Nintendo game) |
| SM | Standard Model (physics) |
| SM | System Management |
| SM | Staff Member |
| SM | Sun and Moon |
| SM | Soil Moisture (agronomy) |
| SM | Sutton (postcode, United Kingdom) |
| SM | Square Meter |
| SM | Superman |
| SM | Submarine |
| SM | Security Management |
| SM | Service Module (Russian-made unit No 2 of International Space Station) |
| SM | Service Module (power/propulsion section of US Apollo spacecraft) |
| SM | Service Manager (US DoD) |
| SM | Sony Mobile |
| SM | Soul Mate |
| SM | Space Marine (Warhammer 40k) |
| SM | Senior Manager |
| SM | Silver Medal |
| SM | Society of Mary (Marists, religious order) |
| SM | Special Mention (variant of OAEM and OLEM) |
| SM | Master of Science |
| SM | Staff Meeting |
| SM | Sphingomyelin (protein) |
| SM | State Machine |
| SM | Serbia and Montenegro |
| SM | Slender Man |
| SM | Service Menu |
| SM | Special Message |
| SM | Stage Manager |
| SM | Social Mobility (sociology) |
| SM | Shared Memory |
| SM | Short Message |
| SM | Secondary Metabolite (phytochemistry) |
| SM | Scrum Master (software development) |
| SM | Student Manual |
| SM | Simple Minds (band) |
| SM | Samarium |
| SM | Singlemode |
| SM | Security Manager |
| SM | Sergeant Major |
| SM | Stick Man |
| SM | Size Matters |
| SM | Standard Missile |
| SM | Station Master |
| SM | State Mandated |
| SM | Servicing Mission |
| SM | Spontaneous Mutation |
| SM | System Monitor |
| SM | Spectrum Management |
| SM | Spinal Meningitis |
| SM | Splash Mountain |
| SM | Standards Manual |
| SM | Scientific Method |
| SM | Space Mountain (Disney park) |
| SM | Shader Model |
| SM | Spatial Multiplexing |
| SM | Scheduled Maintenance |
| SM | System Manager |
| SM | Skim Milk |
| SM | Skymiles (Delta Frequent Flyer Program) |
| SM | Solar Mass (astronomy) |
| SM | Snail-Mail |
| SM | Stepmania (dance simulator) |
| SM | Service Member |
| SM | Segundamano (second hand bargain stores in the Philippines) |
| SM | Shoot Me |
| SM | Solder Mask (semiconductor process) |
| SM | Soul Man (song) |
| SM | Shawn Michaels (Pro Wrestler) |
| SM | Semiconductor Manufacturing |
| SM | Sado-Masochism |
| SM | Surrogate Model |
| SM | Sa Majesté (French: His/Her Majesty) |
| SM | Support Manager |
| SM | Space Mapping |
| SM | Space Mirror |
| SM | Senior Minister |
| SM | Streetlight Manifesto (band) |
| SM | Shoe Mart |
| SM | Stormed |
| SM | Scoutmaster (Boy Scouts of America) |
| SM | Solutions Management (various companies) |
| SM | Specification Manual |
| SM | Strategic Missile |
| SM | Syringomyelia (Cavalier King Charles Spaniel) |
| SM | Special Missions |
| SM | Stipendiary Magistrate (Australia and New Zealand) |
| SM | Software Manager (KPA of CMM commonly used by SEI) |
| SM | Su Majestad (Spanish: His/Her Majesty) |
| SM | Shoemart (Manila, Philippines) |
| SM | Smash Mouth (band) |
| SM | Special Monthly |
| SM | Shure Microphone |
| SM | Super Metroid (video game) |
| SM | Saint Marc (French School; Alexandria, Egypt) |
| SM | Specialist in Microbiology (American Society for Microbiology) |
| SM | Self-Mutilation |
| SM | Structural Model |
| SM | Selective Mutism (anxiety disorder) |
| SM | Stress Migration |
| SM | Soldier's Manual |
| SM | Schistosoma Mansoni |
| SM | Soul Master (gaming) |
| SM | Shuttle Mission (NASA) |
| SM | Star Museum (Entertainment; South Korean entertainment company) |
| SM | Stable Memory |
| SM | Serratia Marcescens |
| SM | Syndicat de La Magistrature (French: Union of Magistrates) |
| SM | Statistical Multiplexing |
| SM | Staff Memorandum (JCS) |
| SM | Soft Money |
| SM | Servomotor |
| SM | Set Mode |
| SM | Subscriber Module (communications) |
| SM | Super Metroid (game) |
| SM | Switching Module |
| SM | Simple Mastectomy (surgical procedure) |
| SM | Stanley Morgan (brokerage firm) |
| SM | Selective Media (cell plating) |
| SM | Spare Me |
| SM | Secondary Mirror |
| SM | Stardust Memory (Gundam) |
| SM | Simple Machine |
| SM | Security Monitor |
| SM | SourceMod (gaming) |
| SM | Styrene Monomer |
| SM | Street Modified (automobiles) |
| SM | Sprung Monkey (band) |
| SM | Synchronous Motor |
| SM | Shigeru Miyamoto (video game producer) |
| SM | Swollen Members (band) |
| SM | Shelter Management (US FEMA) |
| SM | Shawn Marion (NBA Player) |
| SM | Structure Model |
| SM | Soldier's Medal |
| SM | Silver Medallion (Delta Sky Miles) |
| SM | Super Mall (Philippines) |
| SM | Surgical Margin |
| SM | Selling Manager (Ebay selling tool) |
| SM | Small Manufacturing |
| SM | Stable Member |
| SM | Satellite Modem |
| SM | Simple Multicast (computer networking) |
| SM | Sclerosis Multiplex (Latin: Multiple Sclerosis) |
| SM | Samarai |
| SM | Song Meanings |
| SM | Samsung Motors |
| SM | Security Manual |
| SM | Secretaría de Marina (Spanish: Secretariat of the Navy, Mexico) |
| SM | Spiritual Master (religion) |
| SM | Synthetic Media (cell plating) |
| SM | Seamless Mobility |
| SM | Student Manager |
| SM | Single Manager |
| SM | Scanning Mode |
| SM | Soo Man (record company) |
| SM | Staff Month |
| SM | Snooker Master (USDAA dog agility title) |
| SM | Supply Manual |
| SM | Scattering Matrix |
| SM | Sciences de La Matière (French: Science of Matter) |
| SM | Study Manager |
| SM | Standard Smoker (insurance) |
| SM | Smart Munitions |
| SM | Single-Family and Multi-Family (zoning) |
| SM | Shanghai Municipality |
| SM | Spectromètre de Masse (French: Mass Spectrometer) |
| SM | Shipping Manifest |
| SM | Seung Mina |
| SM | Strong Mad (homestarrunner.com character) |
| SM | Submarine, Mine Laying (US Navy) |
| SM | Slam Magazine |
| SM | Supervisor Manual |
| SM | Separation Module |
| SM | Silhouette Mirage (video game) |
| SM | Standby Monitor |
| SM | Script Mode |
| SM | Seine Majestät (German: His Majesty) |
| SM | Subscriber Manager (Cisco) |
| SM | Scarlet Monastary (World of Warcraft game) |
| SM | Shading Model (change detector) |
| SM | Skyscraper Museum |
| SM | Sensitivity Measure |
| SM | Synchronous Multiplexer (Alcatel) |
| SM | Societas Mariae (Society of Mary, Marianists, religious order) |
| SM | Sarao Motors (manufacturer of passenger Jeepneys in the Philippines) |
| SM | SONET Multiplexer (Alcatel) |
| SM | Scatterable Mine |
| SM | Short Meter (hymnology) |
| SM | Support Magistrate (courts) |
| SM | Salvage Mechanic (US Navy) |
| SM | Smagorinsky model |
| SM | Steamotive (US Navy) |
| SM | Secretary's Memorandum (US DoD Joint Staff) |
| SM | Slave Motor |
| SM | Shrine Mont (Orkney Springs, VA) |
| SM | Sequence Monitor |
| SM | Shipment Memorandum (US Navy) |
| SM | Sub-Memory |
| SM | Surge Margin (compressor aerodynamics) |
| SM | Step-Mom/Mother |
| SM | Swine Mycoplasmosis (swine enzootic pneumonia) |
| SM | Safeguards Measurements |
| SM | Suger Montano (Guatemala Central America, school) |
| SM | Syndicat de La Mesure (French: Union of Measure) |
| SM | Shoals Music (music industry magazine) |
| SM | Systèmes Microbiens (French: Microbial Systems) |
| SM | Directorate for Systems Management |
| SM | Step/Stepping Motor |
| SM | Suomen Mestari/Mestaruus (Finnish Champion/Championship) |
| SM | Siemens Metering AG |
| SM | Sponge Minion (Harry Potter) |
| SM | Serial Magnitude |
| SM | (USN Rating) Signalman |
| SM | Sperm Measurement |
| SM | Steele Matrix |
| SM | Silly Muffins (viral video service) |