SLED
The abbreviation SLED stands for
- the Linux operating system SUSE Linux Enterprise Desktop
- Single Large Expensive Disk , a data storage solution for mainframes
- Superluminescent Light Emitting Diode , also known as superluminescent diode
- Sustained Low-Efficient Dialysis , a dialysis process
- Shelf Life Expiration Date, the acronym for best before date (best before date)