English abbreviations from sli to slmm
- 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)
- SLLA (School Leaders Licensure Assessment)
- SLM (Matacán Airport)
- SLMA (Single Line Missile Assembly)
- SLMAB (Single Line Missile Assembly Building)
- SLMB (Submarine Launched Ballistic Missiles)
- SLME (Select Manual Entry)
- SLMM (Sri Lanka Monitoring Mission)