| Acronym | Definition |
|---|
| SDG | Sudanese Pound (currency) |
| SDG | Sustainable Development Goal (various organizations) |
| SDG | Soli Deo Gloria (Latin: To God Alone the Glory) |
| SDG | Siding (railways) |
| SDG | Sagittarius Dwarf Galaxy (astronomy) |
| SDG | Software Development Governance |
| SDG | Strategic Decisions Group |
| SDG | School Development Grant (various organizations) |
| SDG | Secoisolariciresinol Diglycoside (the main lignan in flaxseed) |
| SDG | So Damn Good |
| SDG | Steer Davies Gleave (UK consultancy firm) |
| SDG | Spencer Davis Group (band) |
| SDG | Short Duration Grazing |
| SDG | Software Development Group (NCSA) |
| SDG | Supplier Development Group (various locations) |
| SDG | Sacred Dance Guild (Severna Park, MD) |
| SDG | Stormont, Dundas & Glengarry (United Counties, ON) |
| SDG | System Design Group |
| SDG | System Dependence Graph |
| SDG | Super Duper Games (various meanings) |
| SDG | Sample Delivery Group |
| SDG | Screen Directors Guild |
| SDG | Super Dragon Gem (Conquer Online) |
| SDG | Spiegel Design Group (Los Angeles, CA) |
| SDG | Signed Directed Graph |
| SDG | Saratoga Drama Group (California community theater) |
| SDG | Superior Defender Gundam (anime) |
| SDG | Steel Deck Girder (engineering) |
| SDG | Sapporo Designer Gakuin (Sapporo, Japan) |
| SDG | Subjective Difference Grade |
| SDG | Single Digit Great |
| SDG | Standby Diesel Generator (emergency bus power, nuclear power) |
| SDG | Geometric Standard Deviation |
| SDG | Single Digit Good (flash game FFR or Stepmania) |
| SDG | Soil Density Gauge |
| SDG | Slightly Decomposed Granite |
| SDG | SAS Data Group |
| SDG | Speed Defies Gravity Motors Inc. (Santa Ana, CA) |
| SDG | Sindrome do Dedo Gordo (Brazil) |
| SDG | Submarine Development Group |
| SDG | Standard Design Guide |
| SDG | Srpska Dobrovojacka Garda (Serbian Volunteer Guard) |
| SDG | Supervisión Dirección General (Guatemala police supervision) |
| SDG | Synthesis Design Group, Inc. (est. 2003) |