| Acronym | Definition |
|---|
| SGA | Student Government Association |
| SGA | System Global Area (Oracle) |
| SGA | Small for Gestational Age |
| SGA | Stargate Atlantis (TV show) |
| SGA | Substantial Gainful Activity (US SSA) |
| SGA | Shared Global Area |
| SGA | Swedish Game Awards (game development competition) |
| SGA | Secrétariat Général pour l'Administration (French: General Secretariat for Administration) |
| SGA | Subjective Global Assessment |
| SGA | Songwriters Guild of America |
| SGA | Solicitation for Grant Applications |
| SGA | Schweizerische gesellschaft für Automatik |
| SGA | Southern Governors' Association |
| SGA | Slavic Gospel Association (Loves Park, IL; est. 1934) |
| SGA | Smart Growth America |
| SGA | Second Generation Antipsychotic |
| SGA | Society for Geology Applied to Mineral Deposits |
| SGA | Small Group Activity |
| SGA | Séminaire de Géométrie Algébrique (French: Algebraic Geometry Seminar) |
| SGA | same-gender attraction |
| SGA | Sea Grant Association (Sea Grant Program) |
| SGA | Standard Genetic Algorithm |
| SGA | Society of Golf Appraisers |
| SGA | Standard Gaussian Approximation |
| SGA | Strategic Grant Agreement |
| SGA | Swedish Greenkeepers Association |
| SGA | Stadium Give Away |
| SGA | Standard Galactic Alphabet (Commander Keen game) |
| SGA | Stargate Alliance (gaming clans, Freelancer) |
| SGA | Scottsdale Gallery Association |
| SGA | Semester Grade Average |
| SGA | Sales, General and Administration (cost of doing business; also seen as SG&A) |
| SGA | Section on Great Apes (Primate Specialist Group; IUCN/SSC) |
| SGA | Soul Glow Activatur (band) |
| SGA | Sysops Guild Association |
| SGA | Standards of Grade Authorization |
| SGA | Samco Global Arms |
| SGA | Set Group Address |
| SGA | Schulgemeinschaftausschuß (German parent, teacher and student school committee) |
| SGA | Sierpinski Gasket Antenna |
| SGA | Social Gender Associate |
| SGA | Steepest Gradient Algorithm |
| SGA | Small Government Act of 2001 (Massachusetts) |
| SGA | Soil Gas Analysis |
| SGA | Stack Gas Analyzer |
| SGA | Solderable Grid Array |
| SGA | Seed Growers Association (various locations) |
| SGA | State Government Affairs (various organizations) |