English abbreviations from slem to sll
- SLEM (Self Loading Experimental Model (battle rifle of British origin))
- SLEP (Service Life Extension Program (US))
- SLES (SUSE Linux Enterprise Server)
- SLEZ (South Lake Economic Zone)
- SLF (Supportive Living Facility)
- SLF4J (Simple Logging Facade for Java)
- SLG (Smith Field)
- SLGR (Small, Lightweight Ground Receiver (GPS))
- SLGS (Southwest Louisiana Genealogical Society)
- SLH (Sola Airport)
- SLI ((i/s) Scan-Line Interleave)
- SLIC (Sustainability Leadership Innovation Centre)
- SLICE (Service Learning Integrating Character Education)
- Slick Sleeve (Nickname for an Airman Basic (owing to the absence of rank insignia on an individual's sleeve))
- SLIIT (Sri Lanka Institute of Information Technology)
- SLIM (Software LIfecycle Management)
- SLIP (Serial Line Internet Protocol)
- SLIT (Serial-Lot Item Tracking)
- SLJ (Solomon Airport)
- SLJO (Shitty Little Jobs Officer)
- SLK (Adirondack Regional Airport)
- slk — (s) Slovak language (ISO 639 (2 code))
- SLL (Salalah Airport)
- s.l.l. (signed, lower left)
