| Acronym | Meaning |
| ACAS | Aboriginal Children's Advancement Society - Advisory |
| PAO | Public Affairs Officer |
| LJ | La Jolla - Larry Johnson - LaserJet - Library Journal - Linux Journal - LiveJournal - Ljubljana - Lord Justice Of Appeal -Sierra National Airlines (IATA Code) |
| LI | Limburgish Language (ISO 639-1 Code) |
| RSD | Reflex Sympathetic Dystrophy -Serbian Dinar (ISO 4217 Currency Code) |
| PL | Ice Pellets (new Style METAR Code) -petalitre -Phase Line (Co-ordination Line) -Poland (ISO 3166 And FIPS 10-4 Country Code Digram) |
| RMDA | Records Management And Declassification Agency |
| AN | Aragonese Language (ISO 639-1 Code) |
| SV | El Salvador (ISO 3166 Digram) -Sportverein (German For Sport Association |
| ACINT | Acoustic Intelligence |