| Acronym | Meaning |
| PN | Petanewton - Pitcairn Islands (ISO 3166 Digram) |
| VNM | Vietnam (ISO 3166 Trigram) |
| GV | Manx Language (ISO 639-1 Code) |
| CINEOS | Campo Imperatore Near-Earth Objects Survey |
| ORNL | Oak Ridge National Laboratory |
| BMR | Basal Metabolic Rate ? Bronirovannaya Mashina Razminirovaniya (Russian ????????????? ?????? ?????????????? |
| NSB | Norges Statsbaner (Norwegian State Railways) |
| TKM | Turkmenistan (ISO 3166 Trigram) |
| UCAV | Unmanned Combat Air Vehicle |
| SAML | Security Assertion Markup Language (sam-ell) |