| Acronym | Meaning |
| CZK | Czech Koruna (ISO 4217 Currency Code) |
| RCA | Radio Corporation Of America - Root Cause Analysis - Royal Canadian Artillery - Royal City Avenue (famous Entertainment Zone In Thailand) |
| OTO | Ordo Templi Orientis (Latin |
| AOA | Argonne National Laboratory -Angolan Kwanza (ISO 4217 Currency Code) -Award Of Arms (heraldry) |
| CMPD | Charlotte Mecklenburg Police Department |
| MILSET | Mouvement International Pour Le Loisir Scientifique Et Technique (French |
| B[A]P | Benzo[a]pyrene |
| UDP | User Datagram Protocol |
| LRC | Local RTI Component - Logistics Readiness Center |
| TWI | The Welding Institute |