| Acronym | Meaning |
| THA | Thai Language (ISO 639-2 Code) |
| VFMO | Very Fast Moving Object (astronomy) |
| AFL | American Federation Of Labor - American Football League - Arena Football League - Australian Football League |
| KZ | Kazakhstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| ROTC | Reserve Officer Training Corps (Rawt-Cee) |
| MTS | Maintenance Training System - Michigan Terminal/Timesharing System - Movement Tracking System - Multichannel Television Sound - Multi-Technical Services |
| TRL | Technology Readiness Level |
| RPL | Reverse Polish Lisp |
| J1 | Joint [Manpower &] Personnel Directorate |
| YF | Yoctofarad |