English abbreviations from skp to sl
- SKP (Skopje Airport)
- SKPLT (Stick Plot Log)
- SKR (Storozhevoy Korabl')
- SKS (Skrydstrup Airport)
- SKSA (Storekeeper Seaman Apprentice)
- SKSN (Storekeeper Seaman)
- SKT (Specialty Knowledge Test)
- SKU (Skyros Island National Airport)
- SKV (St. Catherine International Airport)
- SKW (Skwentna Airport)
- SKX (Saransk Airport)
- SKY (Griffing Sandusky Airport)
- SKZ (Sukkur Airport)
- SL (Sierra Leone (ISO 3166 and FIPS 10-4 country code digram))
- s.l. (sine loco ("without indication of place of printing"))
