| STD | Safely Tolerated Dose | - | Computer Acronyms(common) |
| STD | Sexually Transmitted Disease | - | Computer Acronyms(common) |
| STD | Sexually Transmitted Disease | - | Medical(slang) |
| STD | Shuttle Test Director | - | Organizations |
| STD | Standard | - | Organizations |
| STD | Lfollows) | - | Organizations |
| STD | LStandard Distribution List (letter Denoting Which List | - | Organizations |
| STD | Seal The Deal | - | ISO Country Codes |
| STD | Sexually Transmitted Disease | - | ISO Country Codes |
| STD | S?o Tom? And PrÂncipe Dobra (ISO 4217 Currency Code) -Sexually Transmitted Disease | - | Astronomy |
| STD | Salinity | - | Business and Finance |
