| Acronym | Meaning |
| ORNL | Oak Ridge National Laboratory |
| LN | Lingala Language (ISO 639-1 Code) - Natural Logarithm |
| YU | York University -former Yugoslavia (ISO 3166 Digram |
| AAFC | U.S. Army Air Corps Ferrying Command (1941-1942) - All-America Football Conference (1946?1949) |
| GC | East Germany (NATO Country Code; Obsolete 1990) -General Counsel -Gigacoulomb |
| VGB | British Virgin Islands (ISO 3166 Trigram) |
| ISTS | Intel Science Talent Search |
| GTA | Grand Theft Auto |
| SAN | Sanskrit Language (ISO 639-2 Code) |
| 2G | Second |