| Acronym | Definition |
|---|
| SLG | Slugging Percentage (baseball) |
| SLG | Sigma Lambda Gamma (sorority) |
| SLG | Small Leather Good |
| SLG | Smart Logistic Group (shipping) |
| SLG | SimuLation Game |
| SLG | Status Log |
| SLG | Slave Labor Graphics (comic book publisher) |
| SLG | State and Local Government |
| SLG | Savoy Label Group (music) |
| SLG | Simulated Life Game |
| SLG | Service Level Guarantee |
| SLG | Schweizer Licht Gesellschaft (German: Swiss Light Company; Switzerland) |
| SLG | Single Line to Ground (power quality) |
| SLG | Student Liaison Group (various organizations) |
| SLG | Silly Little Girl |
| SLG | Sisters of the Love of God |
| SLG | Sentosa Leisure Group (various locations) |
| SLG | Strategic Leaders Group (Australia) |
| SLG | Siboney Learning Group (Siboney Corporation) |
| SLG | Spoiled Little Girl |
| SLG | Super Light Gun (paintball) |
| SLG | Senior Level Group |
| SLG | State & Local Guide (FEMA documents) |
| SLG | Strictly Localized Geminal |
| SLG | Service Level Goal |
| SLG | Sparer Law Group (San Francisco, CA) |
| SLG | Salem, Orgeon Greyhound Station ( Amtrak station code; Salem, OR) |
| SLG | Special Little Guy |
| SLG | Students in Local Government |
| SLG | Sud Logiciel Gestion (French: Southern Management Software) |