| Acronym | Definition |
|---|
| SFDL | Security Federal Corporation (stock symbol) |
| SFDL | Six Flags Darien Lake (Darien Center, New York) |
| SFDL | Simpler Free Documentation License |
| SFDL | Secure Function Definition Language |
| SFDL | Société financière Desjardins-Laurentienne |
| SFDL | Spatial Frequency Doubling Lithography |
| SFDL | Set Financial Database Language |
| SFDL | Single Fibre Dynamic Load |
| SFDL | Same Frog/Different Location |
| SFDL | Symbolic Functional Description Language |
| SFDL | South Florida Descent League |
| SFDL | Sundaram Finance Distribution Limited (India) |
| SFDL | Securety For Data Loss |
| SFDL | Structure and Function Description Language |
| SFDL | Simple Form Definition Language (Polytechnic University of Madrid; Spain) |