| Acronym | Meaning |
 | CMYK | Cyan Magenta Yellow Key/blacK (colour Model) |
| SJ | Svalbard And Jan Mayen (ISO 3166 Digram) -Societas Iesu (Latin: The Society Of Jesus |
| TNT | TriNitroToluene |
| SOHO | Solar And Heliospheric Observatory |
| GIMP | GNU Image Manipulation Program |
| RQ | Puerto Rico (FIPS 10-4 Territory Code) |
| NRK | Norsk Rikskringkasting (Norwegian Broadcasting Corporation) |
| TI | Tajikistan (FIPS 10-4 Country Code) -Thermal Imaging - Threat Identification - Training Instructor |
| PSYOP | Psychological Operations |
| CIV | C?te D'Ivoire (ISO 3166 Trigram) |
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