| Acronym | Definition |
|---|
| SMG➣Sub-Machine Gun |
| SMG➣Sub Machine Gun (gaming, Halo 2) |
| SMG➣Super Mario Galaxy (game) |
| SMG➣Sarah Michelle Gellar |
| SMG➣Studio Movie Grill (various locations) |
| SMG➣Sequential Manual Gearbox (BMW) |
| SMG➣St. Maria Goretti (various locations) |
| SMG➣Seoul Metropolitan Government (South Korea) |
| SMG➣Social Media Group (Canada) |
| SMG➣School of Management (School of Management at Boston University) |
| SMG➣Stock Market Game |
| SMG➣Swiss Medical Group (various locations) |
| SMG➣Steal My Girl (One Direction song) |
| SMG➣Strategic Management and Globalization (various locations) |
| SMG➣Sequential Manual Gearbox |
| SMG➣Smime Gateway |
| SMG➣Service Management Group |
| SMG➣Secure Messaging Gateway |
| SMG➣Special Mobile Group |
| SMG➣Survivable Media Gateway |
| SMG➣Signal Media Gateway |
| SMG➣Specialty Medical Group |
| SMG➣Shanghai Municipal Government (Shanghai, China) |
| SMG➣Sentara Medical Group (Virginia) |
| SMG➣Senior Management Group (JWID) |
| SMG➣Selective Mutism Group (anxiety disorder) |
| SMG➣Syndicat de La Médecine Générale (French: Union of General Medicine; est. 1975) |
| SMG➣School of Management and Governance (Netherlands) |
| SMG➣Scandinavian Music Group (Finnish band) |
| SMG➣Stato Maggiore Generale (Italian: General Staff) |
| SMG➣Special Mobile Group (ITU 3G telecom standards development body) |
| SMG➣Spaceflight Meteorology Group |
| SMG➣Strategic Marketing Group (Lake Tahoe, CA) |
| SMG➣Sister Machine Gun (band) |
| SMG➣Speed Made Good |
| SMG➣Schonbraun McCann Group (New York) |
| SMG➣Staff Major General (various armed forces) |
| SMG➣Solutions Marketing Group |
| SMG➣Superior Manufacturing Group (various locations) |
| SMG➣Strategic Management Group, Inc. |
| SMG➣Sales and Marketing Group (Intel) |
| SMG➣Sonic Mega Collection (video game) |
| SMG➣SubMalevolent Grace (gaming) |
| SMG➣Subatomic Machine Gun (Robocraft weaponry) |
| SMG➣Suchtgiftverordnung (Austrian narcotics law) |
| SMG➣Silenced Machine Gun (gaming) |
| SMG➣Saban Music Group (est. 1983) |
| SMG➣Shoreline Management Guidelines |
| SMG➣Statistical Multiplexing Gain |
| SMG➣Screen Management Guide |
| SMG➣Sisselman Medical Group, PC |
| SMG➣Survivable Media Gateway (Siemens) |
| SMG➣Services Management Group |
| SMG➣Sunday Morning Gathering |
| SMG➣Supermastergroup |
| SMG➣Standard Mail Guard |
| SMG➣Secure Mail Gateway |
| SMG➣Service Management Gateway |
| SMG➣Semi-Manual Gearbox |
| SMG➣Super MechaGodzilla (fan fiction) |
| SMG➣Somali Manifesto Group (political party) |
| SMG➣Secure Mail Guard |
| SMG➣Société Métallurgique de Gerzat (French: Metallurgical Society of Gerzat; France) |
| SMG➣Symposium Mines Guinée (French: Guinea Mining Symposium) |
| SMG➣Sliding Mode Guidance |
| SMG➣Shelter Management Guide |
| SMG➣Simulation Model Generator |
| SMG➣Software Message Generator |
| SMG➣Sportplatz Maschinenbau GmbH (German: Sports Ground Engineering Ltd.) |
| SMG➣Speciality Management Group (various companies) |
| SMG➣Societe Méridionale de Granulats (French: Company of Southern Aggregates) |