| Acronym | Meaning |
 | ISS | International Shorebird Survey (North America) - International Space Station |
 | SZL | Swaziland Lilangeni (ISO 4217 Currency Code) |
 | SE | Northern Sami Language (ISO 639-1 Code) |
 | CLOS | Common Lisp Object System |
 | SNA | Shona Language (ISO 639-2 Code) |
 | JN | Jan Mayen Island (FIPS 10-4 Territory Code) |
 | YL | Yoctolitre |
 | ISAR | Inverse SAR (Synthetic Aperture Radar) |
 | DRIC | (U.S.) Defense Research Information Center |
 | ES | Einsteinium - Exasecond |