| Rank | Abbreviation | Meaning |
|---|
| ***** | SDFA | Scottish District Families Association
| |
| **** | SDFA | Sperm DNA Fragmentation Assay
| |
| *** | SDFA | Shut the fuck ap
| |
| *** | SDFA | Seminole Dog Fanciers Association, Inc.
| |
| *** | SDFA | Signed-Digit Full Adder
| |
| ** | SDFA | Serviço de Documentação da Força Aérea
| |
| * | SDFA | Seminole Dog Fanciers Association
| |
| * | SDFA | Sonic Double Flutter Aircraft
| |
| * | SDFA | Scottsdale Dog Fanciers Association
| |
| * | SDFA | Sarhad Dairy Farmers Association
| |
| * | SDFA | Scottish Deaf Football Association
| |
| * | SDFA | Saskatchewan Dried Flower Association
| |
| * | SDFA | Students for Drug Free America
| |
| * | SDFA | State Drug and Food Administration
| |
| * | SDFA | Sistemas de Duas Fases Aquosas
| |
| * | SDFA | San Diego Football Academy
| |
| * | SDFA | San Dieguito Faculty Association
| |
| * | SDFA | Swiss Duty Free Association
| |
| * | SDFA | specific dynamic food action
| |
| * | SDFA | Sustainable Development for All
| |
| * | SDFA | Semiempirical Density Functional Approach
| |
| * | SDFA | Stepwise Discriminant Function Analysis
| |
| * | SDFA | Stateless Data-Flow Architecture
| |
| * | SDFA | San Diego Faculty Association
| |
| * | SDFA | San Diego First Assembly
| |